Home / 31,613,470.64-43,626,021.84-17,862,139.52

Finding the Fourth Proportional to 31,613,470.64, 43,626,021.84 and 17,862,139.52

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Solution

The fourth proportional to 31,613,470.64, 43,626,021.84 and 17,862,139.52 is: 24,649,431.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,613,470.64 : 43,626,021.84 = 17,862,139.52 : x
  2. Step 2: Convert to fraction form
    31,613,470.64/43,626,021.84 = 17,862,139.52/x
  3. Step 3: Cross multiply
    31,613,470.64x = 43,626,021.84 × 17,862,139.52
  4. Step 4: Simplify right side
    31,613,470.64x = 779,254,088,808,647.12
  5. Step 5: Solve for x
    x = 779,254,088,808,647.12/31,613,470.64
  6. Step 6: Final answer
    x = 24,649,431.81

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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.