Home / 31,224,829.78-43,094,773.95-17,991,471.84

Finding the Fourth Proportional to 31,224,829.78, 43,094,773.95 and 17,991,471.84

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Solution

The fourth proportional to 31,224,829.78, 43,094,773.95 and 17,991,471.84 is: 24,830,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,224,829.78 : 43,094,773.95 = 17,991,471.84 : x
  2. Step 2: Convert to fraction form
    31,224,829.78/43,094,773.95 = 17,991,471.84/x
  3. Step 3: Cross multiply
    31,224,829.78x = 43,094,773.95 × 17,991,471.84
  4. Step 4: Simplify right side
    31,224,829.78x = 775,338,411,743,517.12
  5. Step 5: Solve for x
    x = 775,338,411,743,517.12/31,224,829.78
  6. Step 6: Final answer
    x = 24,830,829.10

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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.