Home / 28,386,925.43-42,579,773.35-7,916,098.77

Finding the Fourth Proportional to 28,386,925.43, 42,579,773.35 and 7,916,098.77

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Solution

The fourth proportional to 28,386,925.43, 42,579,773.35 and 7,916,098.77 is: 11,873,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386,925.43 : 42,579,773.35 = 7,916,098.77 : x
  2. Step 2: Convert to fraction form
    28,386,925.43/42,579,773.35 = 7,916,098.77/x
  3. Step 3: Cross multiply
    28,386,925.43x = 42,579,773.35 × 7,916,098.77
  4. Step 4: Simplify right side
    28,386,925.43x = 337,065,691,423,023.50
  5. Step 5: Solve for x
    x = 337,065,691,423,023.50/28,386,925.43
  6. Step 6: Final answer
    x = 11,873,976.71

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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.