Home / 14,367,803.20-21,551,704.80-11,816,886.40

Finding the Fourth Proportional to 14,367,803.20, 21,551,704.80 and 11,816,886.40

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Solution

The fourth proportional to 14,367,803.20, 21,551,704.80 and 11,816,886.40 is: 17,725,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,367,803.20 : 21,551,704.80 = 11,816,886.40 : x
  2. Step 2: Convert to fraction form
    14,367,803.20/21,551,704.80 = 11,816,886.40/x
  3. Step 3: Cross multiply
    14,367,803.20x = 21,551,704.80 × 11,816,886.40
  4. Step 4: Simplify right side
    14,367,803.20x = 254,674,047,347,934.75
  5. Step 5: Solve for x
    x = 254,674,047,347,934.75/14,367,803.20
  6. Step 6: Final answer
    x = 17,725,329.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.