Home / 28,974,312.30-43,461,468.45-8,776,929.90

Finding the Fourth Proportional to 28,974,312.30, 43,461,468.45 and 8,776,929.90

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Solution

The fourth proportional to 28,974,312.30, 43,461,468.45 and 8,776,929.90 is: 13,165,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974,312.30 : 43,461,468.45 = 8,776,929.90 : x
  2. Step 2: Convert to fraction form
    28,974,312.30/43,461,468.45 = 8,776,929.90/x
  3. Step 3: Cross multiply
    28,974,312.30x = 43,461,468.45 × 8,776,929.90
  4. Step 4: Simplify right side
    28,974,312.30x = 381,458,261,936,711.69
  5. Step 5: Solve for x
    x = 381,458,261,936,711.69/28,974,312.30
  6. Step 6: Final answer
    x = 13,165,394.85

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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.