Home / 14,582,108.34-20,123,885.12-8,387,145.18

Finding the Fourth Proportional to 14,582,108.34, 20,123,885.12 and 8,387,145.18

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Solution

The fourth proportional to 14,582,108.34, 20,123,885.12 and 8,387,145.18 is: 11,574,591.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582,108.34 : 20,123,885.12 = 8,387,145.18 : x
  2. Step 2: Convert to fraction form
    14,582,108.34/20,123,885.12 = 8,387,145.18/x
  3. Step 3: Cross multiply
    14,582,108.34x = 20,123,885.12 × 8,387,145.18
  4. Step 4: Simplify right side
    14,582,108.34x = 168,781,946,045,145.97
  5. Step 5: Solve for x
    x = 168,781,946,045,145.97/14,582,108.34
  6. Step 6: Final answer
    x = 11,574,591.42

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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.