Home / 28,107,078.40-42,160,617.60-23,802,406.30

Finding the Fourth Proportional to 28,107,078.40, 42,160,617.60 and 23,802,406.30

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Solution

The fourth proportional to 28,107,078.40, 42,160,617.60 and 23,802,406.30 is: 35,703,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107,078.40 : 42,160,617.60 = 23,802,406.30 : x
  2. Step 2: Convert to fraction form
    28,107,078.40/42,160,617.60 = 23,802,406.30/x
  3. Step 3: Cross multiply
    28,107,078.40x = 42,160,617.60 × 23,802,406.30
  4. Step 4: Simplify right side
    28,107,078.40x = 1,003,524,149,974,131
  5. Step 5: Solve for x
    x = 1,003,524,149,974,131/28,107,078.40
  6. Step 6: Final answer
    x = 35,703,609.45

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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.