Home / 43,777,870.45-65,666,930.33-12,656,061.15

Finding the Fourth Proportional to 43,777,870.45, 65,666,930.33 and 12,656,061.15

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Solution

The fourth proportional to 43,777,870.45, 65,666,930.33 and 12,656,061.15 is: 18,984,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,777,870.45 : 65,666,930.33 = 12,656,061.15 : x
  2. Step 2: Convert to fraction form
    43,777,870.45/65,666,930.33 = 12,656,061.15/x
  3. Step 3: Cross multiply
    43,777,870.45x = 65,666,930.33 × 12,656,061.15
  4. Step 4: Simplify right side
    43,777,870.45x = 831,084,685,789,269.62
  5. Step 5: Solve for x
    x = 831,084,685,789,269.62/43,777,870.45
  6. Step 6: Final answer
    x = 18,984,127.76

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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.