Home / 23,117,002.70-31,901,979.20-13,193,686.34

Finding the Fourth Proportional to 23,117,002.70, 31,901,979.20 and 13,193,686.34

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Solution

The fourth proportional to 23,117,002.70, 31,901,979.20 and 13,193,686.34 is: 18,207,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,117,002.70 : 31,901,979.20 = 13,193,686.34 : x
  2. Step 2: Convert to fraction form
    23,117,002.70/31,901,979.20 = 13,193,686.34/x
  3. Step 3: Cross multiply
    23,117,002.70x = 31,901,979.20 × 13,193,686.34
  4. Step 4: Simplify right side
    23,117,002.70x = 420,904,707,190,004.12
  5. Step 5: Solve for x
    x = 420,904,707,190,004.12/23,117,002.70
  6. Step 6: Final answer
    x = 18,207,581.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.