Home / 19,491,307.40-29,236,961.10-13,444,689.80

Finding the Fourth Proportional to 19,491,307.40, 29,236,961.10 and 13,444,689.80

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Solution

The fourth proportional to 19,491,307.40, 29,236,961.10 and 13,444,689.80 is: 20,167,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491,307.40 : 29,236,961.10 = 13,444,689.80 : x
  2. Step 2: Convert to fraction form
    19,491,307.40/29,236,961.10 = 13,444,689.80/x
  3. Step 3: Cross multiply
    19,491,307.40x = 29,236,961.10 × 13,444,689.80
  4. Step 4: Simplify right side
    19,491,307.40x = 393,081,872,684,166.81
  5. Step 5: Solve for x
    x = 393,081,872,684,166.81/19,491,307.40
  6. Step 6: Final answer
    x = 20,167,034.70

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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.