Home / 15,428,004.74-23,142,745.20-12,727,322.18

Finding the Fourth Proportional to 15,428,004.74, 23,142,745.20 and 12,727,322.18

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Solution

The fourth proportional to 15,428,004.74, 23,142,745.20 and 12,727,322.18 is: 19,091,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428,004.74 : 23,142,745.20 = 12,727,322.18 : x
  2. Step 2: Convert to fraction form
    15,428,004.74/23,142,745.20 = 12,727,322.18/x
  3. Step 3: Cross multiply
    15,428,004.74x = 23,142,745.20 × 12,727,322.18
  4. Step 4: Simplify right side
    15,428,004.74x = 294,545,174,290,048.50
  5. Step 5: Solve for x
    x = 294,545,174,290,048.50/15,428,004.74
  6. Step 6: Final answer
    x = 19,091,592.16

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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.