Home / 13,812,440.21-20,715,125.04-4,094,780.78

Finding the Fourth Proportional to 13,812,440.21, 20,715,125.04 and 4,094,780.78

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Solution

The fourth proportional to 13,812,440.21, 20,715,125.04 and 4,094,780.78 is: 6,141,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812,440.21 : 20,715,125.04 = 4,094,780.78 : x
  2. Step 2: Convert to fraction form
    13,812,440.21/20,715,125.04 = 4,094,780.78/x
  3. Step 3: Cross multiply
    13,812,440.21x = 20,715,125.04 × 4,094,780.78
  4. Step 4: Simplify right side
    13,812,440.21x = 84,823,895,869,088.72
  5. Step 5: Solve for x
    x = 84,823,895,869,088.72/13,812,440.21
  6. Step 6: Final answer
    x = 6,141,123.12

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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.