Home / 18,194,487.20-27,291,730.80-4,731,315.20

Finding the Fourth Proportional to 18,194,487.20, 27,291,730.80 and 4,731,315.20

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Solution

The fourth proportional to 18,194,487.20, 27,291,730.80 and 4,731,315.20 is: 7,096,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194,487.20 : 27,291,730.80 = 4,731,315.20 : x
  2. Step 2: Convert to fraction form
    18,194,487.20/27,291,730.80 = 4,731,315.20/x
  3. Step 3: Cross multiply
    18,194,487.20x = 27,291,730.80 × 4,731,315.20
  4. Step 4: Simplify right side
    18,194,487.20x = 129,125,780,768,348.17
  5. Step 5: Solve for x
    x = 129,125,780,768,348.17/18,194,487.20
  6. Step 6: Final answer
    x = 7,096,972.80

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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.