Home / 8,100,892.47-12,121,445.12-4,864,401.21

Finding the Fourth Proportional to 8,100,892.47, 12,121,445.12 and 4,864,401.21

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Solution

The fourth proportional to 8,100,892.47, 12,121,445.12 and 4,864,401.21 is: 7,278,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100,892.47 : 12,121,445.12 = 4,864,401.21 : x
  2. Step 2: Convert to fraction form
    8,100,892.47/12,121,445.12 = 4,864,401.21/x
  3. Step 3: Cross multiply
    8,100,892.47x = 12,121,445.12 × 4,864,401.21
  4. Step 4: Simplify right side
    8,100,892.47x = 58,963,572,357,172.27
  5. Step 5: Solve for x
    x = 58,963,572,357,172.27/8,100,892.47
  6. Step 6: Final answer
    x = 7,278,651.40

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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.