Home / 19,666,876.20-29,500,314.30-12,014,125.80

Finding the Fourth Proportional to 19,666,876.20, 29,500,314.30 and 12,014,125.80

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Solution

The fourth proportional to 19,666,876.20, 29,500,314.30 and 12,014,125.80 is: 18,021,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666,876.20 : 29,500,314.30 = 12,014,125.80 : x
  2. Step 2: Convert to fraction form
    19,666,876.20/29,500,314.30 = 12,014,125.80/x
  3. Step 3: Cross multiply
    19,666,876.20x = 29,500,314.30 × 12,014,125.80
  4. Step 4: Simplify right side
    19,666,876.20x = 354,420,487,139,739
  5. Step 5: Solve for x
    x = 354,420,487,139,739/19,666,876.20
  6. Step 6: Final answer
    x = 18,021,188.70

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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.