Home / 15,428,004.24-23,142,744.45-12,727,321.68

Finding the Fourth Proportional to 15,428,004.24, 23,142,744.45 and 12,727,321.68

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Solution

The fourth proportional to 15,428,004.24, 23,142,744.45 and 12,727,321.68 is: 19,091,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428,004.24 : 23,142,744.45 = 12,727,321.68 : x
  2. Step 2: Convert to fraction form
    15,428,004.24/23,142,744.45 = 12,727,321.68/x
  3. Step 3: Cross multiply
    15,428,004.24x = 23,142,744.45 × 12,727,321.68
  4. Step 4: Simplify right side
    15,428,004.24x = 294,545,153,173,184.69
  5. Step 5: Solve for x
    x = 294,545,153,173,184.69/15,428,004.24
  6. Step 6: Final answer
    x = 19,091,591.41

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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.