Home / 31,490,940.30-47,257,405.65-14,442,837.90

Finding the Fourth Proportional to 31,490,940.30, 47,257,405.65 and 14,442,837.90

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Solution

The fourth proportional to 31,490,940.30, 47,257,405.65 and 14,442,837.90 is: 21,673,885.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,490,940.30 : 47,257,405.65 = 14,442,837.90 : x
  2. Step 2: Convert to fraction form
    31,490,940.30/47,257,405.65 = 14,442,837.90/x
  3. Step 3: Cross multiply
    31,490,940.30x = 47,257,405.65 × 14,442,837.90
  4. Step 4: Simplify right side
    31,490,940.30x = 682,531,049,377,494.12
  5. Step 5: Solve for x
    x = 682,531,049,377,494.12/31,490,940.30
  6. Step 6: Final answer
    x = 21,673,885.98

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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.