Home / 14,128,937.62-21,196,566.87-5,153,489.62

Finding the Fourth Proportional to 14,128,937.62, 21,196,566.87 and 5,153,489.62

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Solution

The fourth proportional to 14,128,937.62, 21,196,566.87 and 5,153,489.62 is: 7,731,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128,937.62 : 21,196,566.87 = 5,153,489.62 : x
  2. Step 2: Convert to fraction form
    14,128,937.62/21,196,566.87 = 5,153,489.62/x
  3. Step 3: Cross multiply
    14,128,937.62x = 21,196,566.87 × 5,153,489.62
  4. Step 4: Simplify right side
    14,128,937.62x = 109,236,287,344,180.89
  5. Step 5: Solve for x
    x = 109,236,287,344,180.89/14,128,937.62
  6. Step 6: Final answer
    x = 7,731,387.19

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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.