Home / 38,986,345.39-53,799,025.17-21,341,834.59

Finding the Fourth Proportional to 38,986,345.39, 53,799,025.17 and 21,341,834.59

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Solution

The fourth proportional to 38,986,345.39, 53,799,025.17 and 21,341,834.59 is: 29,450,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986,345.39 : 53,799,025.17 = 21,341,834.59 : x
  2. Step 2: Convert to fraction form
    38,986,345.39/53,799,025.17 = 21,341,834.59/x
  3. Step 3: Cross multiply
    38,986,345.39x = 53,799,025.17 × 21,341,834.59
  4. Step 4: Simplify right side
    38,986,345.39x = 1,148,169,896,281,386.75
  5. Step 5: Solve for x
    x = 1,148,169,896,281,386.75/38,986,345.39
  6. Step 6: Final answer
    x = 29,450,564.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.