Home / 8,109,247.47-11,193,990.01-5,319,432.35

Finding the Fourth Proportional to 8,109,247.47, 11,193,990.01 and 5,319,432.35

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Solution

The fourth proportional to 8,109,247.47, 11,193,990.01 and 5,319,432.35 is: 7,342,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109,247.47 : 11,193,990.01 = 5,319,432.35 : x
  2. Step 2: Convert to fraction form
    8,109,247.47/11,193,990.01 = 5,319,432.35/x
  3. Step 3: Cross multiply
    8,109,247.47x = 11,193,990.01 × 5,319,432.35
  4. Step 4: Simplify right side
    8,109,247.47x = 59,545,672,620,445.95
  5. Step 5: Solve for x
    x = 59,545,672,620,445.95/8,109,247.47
  6. Step 6: Final answer
    x = 7,342,934.45

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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.