Home / 42,985,910.70-64,487,375.82-12,280,751.46

Finding the Fourth Proportional to 42,985,910.70, 64,487,375.82 and 12,280,751.46

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Solution

The fourth proportional to 42,985,910.70, 64,487,375.82 and 12,280,751.46 is: 18,423,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,985,910.70 : 64,487,375.82 = 12,280,751.46 : x
  2. Step 2: Convert to fraction form
    42,985,910.70/64,487,375.82 = 12,280,751.46/x
  3. Step 3: Cross multiply
    42,985,910.70x = 64,487,375.82 × 12,280,751.46
  4. Step 4: Simplify right side
    42,985,910.70x = 791,953,434,753,033.75
  5. Step 5: Solve for x
    x = 791,953,434,753,033.75/42,985,910.70
  6. Step 6: Final answer
    x = 18,423,558.37

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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.