Home / 11,712,419.70-17,545,301.55-10,309,629.30

Finding the Fourth Proportional to 11,712,419.70, 17,545,301.55 and 10,309,629.30

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Solution

The fourth proportional to 11,712,419.70, 17,545,301.55 and 10,309,629.30 is: 15,443,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712,419.70 : 17,545,301.55 = 10,309,629.30 : x
  2. Step 2: Convert to fraction form
    11,712,419.70/17,545,301.55 = 10,309,629.30/x
  3. Step 3: Cross multiply
    11,712,419.70x = 17,545,301.55 × 10,309,629.30
  4. Step 4: Simplify right side
    11,712,419.70x = 180,885,554,937,215.44
  5. Step 5: Solve for x
    x = 180,885,554,937,215.44/11,712,419.70
  6. Step 6: Final answer
    x = 15,443,909.93

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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.