Home / 38,144,007.20-57,216,010.80-9,389,914.40

Finding the Fourth Proportional to 38,144,007.20, 57,216,010.80 and 9,389,914.40

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Solution

The fourth proportional to 38,144,007.20, 57,216,010.80 and 9,389,914.40 is: 14,084,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,144,007.20 : 57,216,010.80 = 9,389,914.40 : x
  2. Step 2: Convert to fraction form
    38,144,007.20/57,216,010.80 = 9,389,914.40/x
  3. Step 3: Cross multiply
    38,144,007.20x = 57,216,010.80 × 9,389,914.40
  4. Step 4: Simplify right side
    38,144,007.20x = 537,253,443,721,475.50
  5. Step 5: Solve for x
    x = 537,253,443,721,475.50/38,144,007.20
  6. Step 6: Final answer
    x = 14,084,871.60

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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.