Home / 14,101,505.20-21,154,140.12-5,579,848.78

Finding the Fourth Proportional to 14,101,505.20, 21,154,140.12 and 5,579,848.78

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Solution

The fourth proportional to 14,101,505.20, 21,154,140.12 and 5,579,848.78 is: 8,370,517.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101,505.20 : 21,154,140.12 = 5,579,848.78 : x
  2. Step 2: Convert to fraction form
    14,101,505.20/21,154,140.12 = 5,579,848.78/x
  3. Step 3: Cross multiply
    14,101,505.20x = 21,154,140.12 × 5,579,848.78
  4. Step 4: Simplify right side
    14,101,505.20x = 118,036,902,940,531.06
  5. Step 5: Solve for x
    x = 118,036,902,940,531.06/14,101,505.20
  6. Step 6: Final answer
    x = 8,370,517.99

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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.