Home / 8,100,829.60-12,151,244.40-7,156,045.60

Finding the Fourth Proportional to 8,100,829.60, 12,151,244.40 and 7,156,045.60

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Solution

The fourth proportional to 8,100,829.60, 12,151,244.40 and 7,156,045.60 is: 10,734,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100,829.60 : 12,151,244.40 = 7,156,045.60 : x
  2. Step 2: Convert to fraction form
    8,100,829.60/12,151,244.40 = 7,156,045.60/x
  3. Step 3: Cross multiply
    8,100,829.60x = 12,151,244.40 × 7,156,045.60
  4. Step 4: Simplify right side
    8,100,829.60x = 86,954,859,023,144.64
  5. Step 5: Solve for x
    x = 86,954,859,023,144.64/8,100,829.60
  6. Step 6: Final answer
    x = 10,734,068.40

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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.