Home / 18,664,606.10-27,996,909.15-15,475,960.10

Finding the Fourth Proportional to 18,664,606.10, 27,996,909.15 and 15,475,960.10

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Solution

The fourth proportional to 18,664,606.10, 27,996,909.15 and 15,475,960.10 is: 23,213,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664,606.10 : 27,996,909.15 = 15,475,960.10 : x
  2. Step 2: Convert to fraction form
    18,664,606.10/27,996,909.15 = 15,475,960.10/x
  3. Step 3: Cross multiply
    18,664,606.10x = 27,996,909.15 × 15,475,960.10
  4. Step 4: Simplify right side
    18,664,606.10x = 433,279,048,928,724.88
  5. Step 5: Solve for x
    x = 433,279,048,928,724.88/18,664,606.10
  6. Step 6: Final answer
    x = 23,213,940.15

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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.