Home / 39,310,915.80-58,966,373.70-20,179,039.80

Finding the Fourth Proportional to 39,310,915.80, 58,966,373.70 and 20,179,039.80

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Solution

The fourth proportional to 39,310,915.80, 58,966,373.70 and 20,179,039.80 is: 30,268,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310,915.80 : 58,966,373.70 = 20,179,039.80 : x
  2. Step 2: Convert to fraction form
    39,310,915.80/58,966,373.70 = 20,179,039.80/x
  3. Step 3: Cross multiply
    39,310,915.80x = 58,966,373.70 × 20,179,039.80
  4. Step 4: Simplify right side
    39,310,915.80x = 1,189,884,801,753,973.25
  5. Step 5: Solve for x
    x = 1,189,884,801,753,973.25/39,310,915.80
  6. Step 6: Final answer
    x = 30,268,559.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.