Home / 15,501,729.80-23,195,725.11-12,936,612.69

Finding the Fourth Proportional to 15,501,729.80, 23,195,725.11 and 12,936,612.69

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Solution

The fourth proportional to 15,501,729.80, 23,195,725.11 and 12,936,612.69 is: 19,357,459.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501,729.80 : 23,195,725.11 = 12,936,612.69 : x
  2. Step 2: Convert to fraction form
    15,501,729.80/23,195,725.11 = 12,936,612.69/x
  3. Step 3: Cross multiply
    15,501,729.80x = 23,195,725.11 × 12,936,612.69
  4. Step 4: Simplify right side
    15,501,729.80x = 300,074,111,811,777.62
  5. Step 5: Solve for x
    x = 300,074,111,811,777.62/15,501,729.80
  6. Step 6: Final answer
    x = 19,357,459.82

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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.