Home / 31,917,581.28-44,043,772.68-18,862,357.68

Finding the Fourth Proportional to 31,917,581.28, 44,043,772.68 and 18,862,357.68

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Solution

The fourth proportional to 31,917,581.28, 44,043,772.68 and 18,862,357.68 is: 26,028,582.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,917,581.28 : 44,043,772.68 = 18,862,357.68 : x
  2. Step 2: Convert to fraction form
    31,917,581.28/44,043,772.68 = 18,862,357.68/x
  3. Step 3: Cross multiply
    31,917,581.28x = 44,043,772.68 × 18,862,357.68
  4. Step 4: Simplify right side
    31,917,581.28x = 830,769,393,866,772.12
  5. Step 5: Solve for x
    x = 830,769,393,866,772.12/31,917,581.28
  6. Step 6: Final answer
    x = 26,028,582.38

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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.