Home / 15,782,483.27-21,773,630.05-9,165,945.42

Finding the Fourth Proportional to 15,782,483.27, 21,773,630.05 and 9,165,945.42

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Solution

The fourth proportional to 15,782,483.27, 21,773,630.05 and 9,165,945.42 is: 12,645,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782,483.27 : 21,773,630.05 = 9,165,945.42 : x
  2. Step 2: Convert to fraction form
    15,782,483.27/21,773,630.05 = 9,165,945.42/x
  3. Step 3: Cross multiply
    15,782,483.27x = 21,773,630.05 × 9,165,945.42
  4. Step 4: Simplify right side
    15,782,483.27x = 199,575,904,610,657
  5. Step 5: Solve for x
    x = 199,575,904,610,657/15,782,483.27
  6. Step 6: Final answer
    x = 12,645,405.74

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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.