Home / 15,238,144.02-21,022,652.82-8,708,270.46

Finding the Fourth Proportional to 15,238,144.02, 21,022,652.82 and 8,708,270.46

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Solution

The fourth proportional to 15,238,144.02, 21,022,652.82 and 8,708,270.46 is: 12,013,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238,144.02 : 21,022,652.82 = 8,708,270.46 : x
  2. Step 2: Convert to fraction form
    15,238,144.02/21,022,652.82 = 8,708,270.46/x
  3. Step 3: Cross multiply
    15,238,144.02x = 21,022,652.82 × 8,708,270.46
  4. Step 4: Simplify right side
    15,238,144.02x = 183,070,946,543,241.72
  5. Step 5: Solve for x
    x = 183,070,946,543,241.72/15,238,144.02
  6. Step 6: Final answer
    x = 12,013,992.41

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1.5x scale

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.