Home / 15,776,921.20-23,632,204.20-13,122,713.20

Finding the Fourth Proportional to 15,776,921.20, 23,632,204.20 and 13,122,713.20

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Solution

The fourth proportional to 15,776,921.20, 23,632,204.20 and 13,122,713.20 is: 19,656,473.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776,921.20 : 23,632,204.20 = 13,122,713.20 : x
  2. Step 2: Convert to fraction form
    15,776,921.20/23,632,204.20 = 13,122,713.20/x
  3. Step 3: Cross multiply
    15,776,921.20x = 23,632,204.20 × 13,122,713.20
  4. Step 4: Simplify right side
    15,776,921.20x = 310,118,638,000,435.44
  5. Step 5: Solve for x
    x = 310,118,638,000,435.44/15,776,921.20
  6. Step 6: Final answer
    x = 19,656,473.79

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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.