Home / 31,726,360.36-43,778,823.78-17,972,378.92

Finding the Fourth Proportional to 31,726,360.36, 43,778,823.78 and 17,972,378.92

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Solution

The fourth proportional to 31,726,360.36, 43,778,823.78 and 17,972,378.92 is: 24,799,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726,360.36 : 43,778,823.78 = 17,972,378.92 : x
  2. Step 2: Convert to fraction form
    31,726,360.36/43,778,823.78 = 17,972,378.92/x
  3. Step 3: Cross multiply
    31,726,360.36x = 43,778,823.78 × 17,972,378.92
  4. Step 4: Simplify right side
    31,726,360.36x = 786,809,609,646,066.88
  5. Step 5: Solve for x
    x = 786,809,609,646,066.88/31,726,360.36
  6. Step 6: Final answer
    x = 24,799,869.91

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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.