Home / 28,331,451.30-42,497,176.95-9,164,145.90

Finding the Fourth Proportional to 28,331,451.30, 42,497,176.95 and 9,164,145.90

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Solution

The fourth proportional to 28,331,451.30, 42,497,176.95 and 9,164,145.90 is: 13,746,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,451.30 : 42,497,176.95 = 9,164,145.90 : x
  2. Step 2: Convert to fraction form
    28,331,451.30/42,497,176.95 = 9,164,145.90/x
  3. Step 3: Cross multiply
    28,331,451.30x = 42,497,176.95 × 9,164,145.90
  4. Step 4: Simplify right side
    28,331,451.30x = 389,450,329,907,917.06
  5. Step 5: Solve for x
    x = 389,450,329,907,917.06/28,331,451.30
  6. Step 6: Final answer
    x = 13,746,218.85

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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.