Home / 8,064,278.60-12,068,424.30-7,392,432.20

Finding the Fourth Proportional to 8,064,278.60, 12,068,424.30 and 7,392,432.20

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Solution

The fourth proportional to 8,064,278.60, 12,068,424.30 and 7,392,432.20 is: 11,062,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,278.60 : 12,068,424.30 = 7,392,432.20 : x
  2. Step 2: Convert to fraction form
    8,064,278.60/12,068,424.30 = 7,392,432.20/x
  3. Step 3: Cross multiply
    8,064,278.60x = 12,068,424.30 × 7,392,432.20
  4. Step 4: Simplify right side
    8,064,278.60x = 89,215,008,398,582.47
  5. Step 5: Solve for x
    x = 89,215,008,398,582.47/8,064,278.60
  6. Step 6: Final answer
    x = 11,062,986.89

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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.