Home / 18,065,143.10-24,929,835.28-9,805,204.96

Finding the Fourth Proportional to 18,065,143.10, 24,929,835.28 and 9,805,204.96

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Solution

The fourth proportional to 18,065,143.10, 24,929,835.28 and 9,805,204.96 is: 13,531,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065,143.10 : 24,929,835.28 = 9,805,204.96 : x
  2. Step 2: Convert to fraction form
    18,065,143.10/24,929,835.28 = 9,805,204.96/x
  3. Step 3: Cross multiply
    18,065,143.10x = 24,929,835.28 × 9,805,204.96
  4. Step 4: Simplify right side
    18,065,143.10x = 244,442,144,365,763.78
  5. Step 5: Solve for x
    x = 244,442,144,365,763.78/18,065,143.10
  6. Step 6: Final answer
    x = 13,531,149.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.