Home / 15,110,186.16-20,851,448.40-8,234,520.60

Finding the Fourth Proportional to 15,110,186.16, 20,851,448.40 and 8,234,520.60

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Solution

The fourth proportional to 15,110,186.16, 20,851,448.40 and 8,234,520.60 is: 11,363,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110,186.16 : 20,851,448.40 = 8,234,520.60 : x
  2. Step 2: Convert to fraction form
    15,110,186.16/20,851,448.40 = 8,234,520.60/x
  3. Step 3: Cross multiply
    15,110,186.16x = 20,851,448.40 × 8,234,520.60
  4. Step 4: Simplify right side
    15,110,186.16x = 171,701,681,389,637.03
  5. Step 5: Solve for x
    x = 171,701,681,389,637.03/15,110,186.16
  6. Step 6: Final answer
    x = 11,363,306.82

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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.