Home / 31,473,407.50-47,207,944.30-19,344,742.90

Finding the Fourth Proportional to 31,473,407.50, 47,207,944.30 and 19,344,742.90

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Solution

The fourth proportional to 31,473,407.50, 47,207,944.30 and 19,344,742.90 is: 29,015,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473,407.50 : 47,207,944.30 = 19,344,742.90 : x
  2. Step 2: Convert to fraction form
    31,473,407.50/47,207,944.30 = 19,344,742.90/x
  3. Step 3: Cross multiply
    31,473,407.50x = 47,207,944.30 × 19,344,742.90
  4. Step 4: Simplify right side
    31,473,407.50x = 913,225,545,321,020.38
  5. Step 5: Solve for x
    x = 913,225,545,321,020.38/31,473,407.50
  6. Step 6: Final answer
    x = 29,015,782.46

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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.