Home / 15,112,078.40-22,668,117.60-13,619,086.40

Finding the Fourth Proportional to 15,112,078.40, 22,668,117.60 and 13,619,086.40

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Solution

The fourth proportional to 15,112,078.40, 22,668,117.60 and 13,619,086.40 is: 20,428,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112,078.40 : 22,668,117.60 = 13,619,086.40 : x
  2. Step 2: Convert to fraction form
    15,112,078.40/22,668,117.60 = 13,619,086.40/x
  3. Step 3: Cross multiply
    15,112,078.40x = 22,668,117.60 × 13,619,086.40
  4. Step 4: Simplify right side
    15,112,078.40x = 308,719,052,119,760.69
  5. Step 5: Solve for x
    x = 308,719,052,119,760.69/15,112,078.40
  6. Step 6: Final answer
    x = 20,428,629.60

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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.