Home / 14,112,959.60-21,169,439.40-6,554,687.60

Finding the Fourth Proportional to 14,112,959.60, 21,169,439.40 and 6,554,687.60

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Solution

The fourth proportional to 14,112,959.60, 21,169,439.40 and 6,554,687.60 is: 9,832,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112,959.60 : 21,169,439.40 = 6,554,687.60 : x
  2. Step 2: Convert to fraction form
    14,112,959.60/21,169,439.40 = 6,554,687.60/x
  3. Step 3: Cross multiply
    14,112,959.60x = 21,169,439.40 × 6,554,687.60
  4. Step 4: Simplify right side
    14,112,959.60x = 138,759,061,934,131.42
  5. Step 5: Solve for x
    x = 138,759,061,934,131.42/14,112,959.60
  6. Step 6: Final answer
    x = 9,832,031.40

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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.