Home / 10,256,442.40-15,366,001.20-8,352,877.60

Finding the Fourth Proportional to 10,256,442.40, 15,366,001.20 and 8,352,877.60

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Solution

The fourth proportional to 10,256,442.40, 15,366,001.20 and 8,352,877.60 is: 12,514,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256,442.40 : 15,366,001.20 = 8,352,877.60 : x
  2. Step 2: Convert to fraction form
    10,256,442.40/15,366,001.20 = 8,352,877.60/x
  3. Step 3: Cross multiply
    10,256,442.40x = 15,366,001.20 × 8,352,877.60
  4. Step 4: Simplify right side
    10,256,442.40x = 128,350,327,225,053.11
  5. Step 5: Solve for x
    x = 128,350,327,225,053.11/10,256,442.40
  6. Step 6: Final answer
    x = 12,514,117.69

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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.