Home / 28,072,929.20-42,063,774.60-25,385,543.60

Finding the Fourth Proportional to 28,072,929.20, 42,063,774.60 and 25,385,543.60

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Solution

The fourth proportional to 28,072,929.20, 42,063,774.60 and 25,385,543.60 is: 38,037,063.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072,929.20 : 42,063,774.60 = 25,385,543.60 : x
  2. Step 2: Convert to fraction form
    28,072,929.20/42,063,774.60 = 25,385,543.60/x
  3. Step 3: Cross multiply
    28,072,929.20x = 42,063,774.60 × 25,385,543.60
  4. Step 4: Simplify right side
    28,072,929.20x = 1,067,811,784,088,872.62
  5. Step 5: Solve for x
    x = 1,067,811,784,088,872.62/28,072,929.20
  6. Step 6: Final answer
    x = 38,037,063.27

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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.