Home / 42,590,438.20-63,869,910.90-13,837,511.80

Finding the Fourth Proportional to 42,590,438.20, 63,869,910.90 and 13,837,511.80

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Solution

The fourth proportional to 42,590,438.20, 63,869,910.90 and 13,837,511.80 is: 20,751,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,590,438.20 : 63,869,910.90 = 13,837,511.80 : x
  2. Step 2: Convert to fraction form
    42,590,438.20/63,869,910.90 = 13,837,511.80/x
  3. Step 3: Cross multiply
    42,590,438.20x = 63,869,910.90 × 13,837,511.80
  4. Step 4: Simplify right side
    42,590,438.20x = 883,800,645,743,698.62
  5. Step 5: Solve for x
    x = 883,800,645,743,698.62/42,590,438.20
  6. Step 6: Final answer
    x = 20,751,151.74

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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.