Home / 8,354,965.71-12,529,897.29-5,777,836.35

Finding the Fourth Proportional to 8,354,965.71, 12,529,897.29 and 5,777,836.35

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Solution

The fourth proportional to 8,354,965.71, 12,529,897.29 and 5,777,836.35 is: 8,664,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354,965.71 : 12,529,897.29 = 5,777,836.35 : x
  2. Step 2: Convert to fraction form
    8,354,965.71/12,529,897.29 = 5,777,836.35/x
  3. Step 3: Cross multiply
    8,354,965.71x = 12,529,897.29 × 5,777,836.35
  4. Step 4: Simplify right side
    8,354,965.71x = 72,395,696,023,928.48
  5. Step 5: Solve for x
    x = 72,395,696,023,928.48/8,354,965.71
  6. Step 6: Final answer
    x = 8,664,990.20

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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.