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Finding the Fourth Proportional to 5,832,032.80, 8,748,049.20 and 5,158,874.20

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Solution

The fourth proportional to 5,832,032.80, 8,748,049.20 and 5,158,874.20 is: 7,738,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,832,032.80 : 8,748,049.20 = 5,158,874.20 : x
  2. Step 2: Convert to fraction form
    5,832,032.80/8,748,049.20 = 5,158,874.20/x
  3. Step 3: Cross multiply
    5,832,032.80x = 8,748,049.20 × 5,158,874.20
  4. Step 4: Simplify right side
    5,832,032.80x = 45,130,085,318,210.64
  5. Step 5: Solve for x
    x = 45,130,085,318,210.64/5,832,032.80
  6. Step 6: Final answer
    x = 7,738,311.30

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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.