Home / 11,559,936.80-17,339,905.20-7,528,858.40

Finding the Fourth Proportional to 11,559,936.80, 17,339,905.20 and 7,528,858.40

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Solution

The fourth proportional to 11,559,936.80, 17,339,905.20 and 7,528,858.40 is: 11,293,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559,936.80 : 17,339,905.20 = 7,528,858.40 : x
  2. Step 2: Convert to fraction form
    11,559,936.80/17,339,905.20 = 7,528,858.40/x
  3. Step 3: Cross multiply
    11,559,936.80x = 17,339,905.20 × 7,528,858.40
  4. Step 4: Simplify right side
    11,559,936.80x = 130,549,690,920,223.69
  5. Step 5: Solve for x
    x = 130,549,690,920,223.69/11,559,936.80
  6. Step 6: Final answer
    x = 11,293,287.60

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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.