Home / 13,123,226.20-19,684,839.30-7,360,043.80

Finding the Fourth Proportional to 13,123,226.20, 19,684,839.30 and 7,360,043.80

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Solution

The fourth proportional to 13,123,226.20, 19,684,839.30 and 7,360,043.80 is: 11,040,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123,226.20 : 19,684,839.30 = 7,360,043.80 : x
  2. Step 2: Convert to fraction form
    13,123,226.20/19,684,839.30 = 7,360,043.80/x
  3. Step 3: Cross multiply
    13,123,226.20x = 19,684,839.30 × 7,360,043.80
  4. Step 4: Simplify right side
    13,123,226.20x = 144,881,279,443,961.34
  5. Step 5: Solve for x
    x = 144,881,279,443,961.34/13,123,226.20
  6. Step 6: Final answer
    x = 11,040,065.70

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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.