Home / 27,720,444.68-38,249,963.87-15,957,439.28

Finding the Fourth Proportional to 27,720,444.68, 38,249,963.87 and 15,957,439.28

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Solution

The fourth proportional to 27,720,444.68, 38,249,963.87 and 15,957,439.28 is: 22,018,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720,444.68 : 38,249,963.87 = 15,957,439.28 : x
  2. Step 2: Convert to fraction form
    27,720,444.68/38,249,963.87 = 15,957,439.28/x
  3. Step 3: Cross multiply
    27,720,444.68x = 38,249,963.87 × 15,957,439.28
  4. Step 4: Simplify right side
    27,720,444.68x = 610,371,475,646,681.88
  5. Step 5: Solve for x
    x = 610,371,475,646,681.88/27,720,444.68
  6. Step 6: Final answer
    x = 22,018,819.78

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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.