Home / 42,799,863.60-64,204,666.74-15,519,005.28

Finding the Fourth Proportional to 42,799,863.60, 64,204,666.74 and 15,519,005.28

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Solution

The fourth proportional to 42,799,863.60, 64,204,666.74 and 15,519,005.28 is: 23,280,274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,799,863.60 : 64,204,666.74 = 15,519,005.28 : x
  2. Step 2: Convert to fraction form
    42,799,863.60/64,204,666.74 = 15,519,005.28/x
  3. Step 3: Cross multiply
    42,799,863.60x = 64,204,666.74 × 15,519,005.28
  4. Step 4: Simplify right side
    42,799,863.60x = 996,392,562,138,700.38
  5. Step 5: Solve for x
    x = 996,392,562,138,700.38/42,799,863.60
  6. Step 6: Final answer
    x = 23,280,274.24

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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.