Home / 31,613,470.89-43,626,022.19-17,862,139.77

Finding the Fourth Proportional to 31,613,470.89, 43,626,022.19 and 17,862,139.77

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Solution

The fourth proportional to 31,613,470.89, 43,626,022.19 and 17,862,139.77 is: 24,649,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,613,470.89 : 43,626,022.19 = 17,862,139.77 : x
  2. Step 2: Convert to fraction form
    31,613,470.89/43,626,022.19 = 17,862,139.77/x
  3. Step 3: Cross multiply
    31,613,470.89x = 43,626,022.19 × 17,862,139.77
  4. Step 4: Simplify right side
    31,613,470.89x = 779,254,105,877,590.88
  5. Step 5: Solve for x
    x = 779,254,105,877,590.88/31,613,470.89
  6. Step 6: Final answer
    x = 24,649,432.15

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1.5x scale

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.