Home / 14,580,092.60-21,870,138.90-7,777,647.80

Finding the Fourth Proportional to 14,580,092.60, 21,870,138.90 and 7,777,647.80

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Solution

The fourth proportional to 14,580,092.60, 21,870,138.90 and 7,777,647.80 is: 11,666,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580,092.60 : 21,870,138.90 = 7,777,647.80 : x
  2. Step 2: Convert to fraction form
    14,580,092.60/21,870,138.90 = 7,777,647.80/x
  3. Step 3: Cross multiply
    14,580,092.60x = 21,870,138.90 × 7,777,647.80
  4. Step 4: Simplify right side
    14,580,092.60x = 170,098,237,701,279.41
  5. Step 5: Solve for x
    x = 170,098,237,701,279.41/14,580,092.60
  6. Step 6: Final answer
    x = 11,666,471.70

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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.