Home / 31,471,551.22-47,155,139.23-19,138,207.16

Finding the Fourth Proportional to 31,471,551.22, 47,155,139.23 and 19,138,207.16

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Solution

The fourth proportional to 31,471,551.22, 47,155,139.23 and 19,138,207.16 is: 28,675,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,471,551.22 : 47,155,139.23 = 19,138,207.16 : x
  2. Step 2: Convert to fraction form
    31,471,551.22/47,155,139.23 = 19,138,207.16/x
  3. Step 3: Cross multiply
    31,471,551.22x = 47,155,139.23 × 19,138,207.16
  4. Step 4: Simplify right side
    31,471,551.22x = 902,464,823,384,193.62
  5. Step 5: Solve for x
    x = 902,464,823,384,193.62/31,471,551.22
  6. Step 6: Final answer
    x = 28,675,574.87

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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.