Home / 28,045,601.90-42,068,402.85-12,929,057.90

Finding the Fourth Proportional to 28,045,601.90, 42,068,402.85 and 12,929,057.90

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Solution

The fourth proportional to 28,045,601.90, 42,068,402.85 and 12,929,057.90 is: 19,393,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045,601.90 : 42,068,402.85 = 12,929,057.90 : x
  2. Step 2: Convert to fraction form
    28,045,601.90/42,068,402.85 = 12,929,057.90/x
  3. Step 3: Cross multiply
    28,045,601.90x = 42,068,402.85 × 12,929,057.90
  4. Step 4: Simplify right side
    28,045,601.90x = 543,904,816,208,175.06
  5. Step 5: Solve for x
    x = 543,904,816,208,175.06/28,045,601.90
  6. Step 6: Final answer
    x = 19,393,586.85

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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.