Home / 42,670,217.70-63,998,113.50-11,957,733.81

Finding the Fourth Proportional to 42,670,217.70, 63,998,113.50 and 11,957,733.81

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Solution

The fourth proportional to 42,670,217.70, 63,998,113.50 and 11,957,733.81 is: 17,934,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670,217.70 : 63,998,113.50 = 11,957,733.81 : x
  2. Step 2: Convert to fraction form
    42,670,217.70/63,998,113.50 = 11,957,733.81/x
  3. Step 3: Cross multiply
    42,670,217.70x = 63,998,113.50 × 11,957,733.81
  4. Step 4: Simplify right side
    42,670,217.70x = 765,272,405,575,167.50
  5. Step 5: Solve for x
    x = 765,272,405,575,167.50/42,670,217.70
  6. Step 6: Final answer
    x = 17,934,579.36

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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.