Home / 31,519,411.20-47,242,375.20-14,481,806.40

Finding the Fourth Proportional to 31,519,411.20, 47,242,375.20 and 14,481,806.40

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Solution

The fourth proportional to 31,519,411.20, 47,242,375.20 and 14,481,806.40 is: 21,705,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519,411.20 : 47,242,375.20 = 14,481,806.40 : x
  2. Step 2: Convert to fraction form
    31,519,411.20/47,242,375.20 = 14,481,806.40/x
  3. Step 3: Cross multiply
    31,519,411.20x = 47,242,375.20 × 14,481,806.40
  4. Step 4: Simplify right side
    31,519,411.20x = 684,154,931,522,561.38
  5. Step 5: Solve for x
    x = 684,154,931,522,561.38/31,519,411.20
  6. Step 6: Final answer
    x = 21,705,828.42

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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.