Home / 8,702,143.64-12,008,254.18-5,031,295.74

Finding the Fourth Proportional to 8,702,143.64, 12,008,254.18 and 5,031,295.74

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Solution

The fourth proportional to 8,702,143.64, 12,008,254.18 and 5,031,295.74 is: 6,942,781.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,143.64 : 12,008,254.18 = 5,031,295.74 : x
  2. Step 2: Convert to fraction form
    8,702,143.64/12,008,254.18 = 5,031,295.74/x
  3. Step 3: Cross multiply
    8,702,143.64x = 12,008,254.18 × 5,031,295.74
  4. Step 4: Simplify right side
    8,702,143.64x = 60,417,078,100,671.20
  5. Step 5: Solve for x
    x = 60,417,078,100,671.20/8,702,143.64
  6. Step 6: Final answer
    x = 6,942,781.07

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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.