Home / 39,070,049.68-53,918,411.16-21,665,225.71

Finding the Fourth Proportional to 39,070,049.68, 53,918,411.16 and 21,665,225.71

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Solution

The fourth proportional to 39,070,049.68, 53,918,411.16 and 21,665,225.71 is: 29,898,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,070,049.68 : 53,918,411.16 = 21,665,225.71 : x
  2. Step 2: Convert to fraction form
    39,070,049.68/53,918,411.16 = 21,665,225.71/x
  3. Step 3: Cross multiply
    39,070,049.68x = 53,918,411.16 × 21,665,225.71
  4. Step 4: Simplify right side
    39,070,049.68x = 1,168,154,547,705,983
  5. Step 5: Solve for x
    x = 1,168,154,547,705,983/39,070,049.68
  6. Step 6: Final answer
    x = 29,898,977.79

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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.