Home / 15,182,445.72-20,951,254-8,658,175.02

Finding the Fourth Proportional to 15,182,445.72, 20,951,254 and 8,658,175.02

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Solution

The fourth proportional to 15,182,445.72, 20,951,254 and 8,658,175.02 is: 11,947,984.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182,445.72 : 20,951,254 = 8,658,175.02 : x
  2. Step 2: Convert to fraction form
    15,182,445.72/20,951,254 = 8,658,175.02/x
  3. Step 3: Cross multiply
    15,182,445.72x = 20,951,254 × 8,658,175.02
  4. Step 4: Simplify right side
    15,182,445.72x = 181,399,624,020,475.06
  5. Step 5: Solve for x
    x = 181,399,624,020,475.06/15,182,445.72
  6. Step 6: Final answer
    x = 11,947,984.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.