Home / 28,361,078.24-42,532,694.04-9,187,386.80

Finding the Fourth Proportional to 28,361,078.24, 42,532,694.04 and 9,187,386.80

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Solution

The fourth proportional to 28,361,078.24, 42,532,694.04 and 9,187,386.80 is: 13,778,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,078.24 : 42,532,694.04 = 9,187,386.80 : x
  2. Step 2: Convert to fraction form
    28,361,078.24/42,532,694.04 = 9,187,386.80/x
  3. Step 3: Cross multiply
    28,361,078.24x = 42,532,694.04 × 9,187,386.80
  4. Step 4: Simplify right side
    28,361,078.24x = 390,764,311,791,534.69
  5. Step 5: Solve for x
    x = 390,764,311,791,534.69/28,361,078.24
  6. Step 6: Final answer
    x = 13,778,189.55

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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.