Home / 6,445,753.60-9,658,132.80-4,745,142.40

Finding the Fourth Proportional to 6,445,753.60, 9,658,132.80 and 4,745,142.40

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Solution

The fourth proportional to 6,445,753.60, 9,658,132.80 and 4,745,142.40 is: 7,109,985.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445,753.60 : 9,658,132.80 = 4,745,142.40 : x
  2. Step 2: Convert to fraction form
    6,445,753.60/9,658,132.80 = 4,745,142.40/x
  3. Step 3: Cross multiply
    6,445,753.60x = 9,658,132.80 × 4,745,142.40
  4. Step 4: Simplify right side
    6,445,753.60x = 45,829,215,454,110.73
  5. Step 5: Solve for x
    x = 45,829,215,454,110.73/6,445,753.60
  6. Step 6: Final answer
    x = 7,109,985.63

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1.5x scale

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.