Home / 22,180,262.68-30,608,425.02-12,390,847.30

Finding the Fourth Proportional to 22,180,262.68, 30,608,425.02 and 12,390,847.30

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Solution

The fourth proportional to 22,180,262.68, 30,608,425.02 and 12,390,847.30 is: 17,099,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180,262.68 : 30,608,425.02 = 12,390,847.30 : x
  2. Step 2: Convert to fraction form
    22,180,262.68/30,608,425.02 = 12,390,847.30/x
  3. Step 3: Cross multiply
    22,180,262.68x = 30,608,425.02 × 12,390,847.30
  4. Step 4: Simplify right side
    22,180,262.68x = 379,264,320,516,319.44
  5. Step 5: Solve for x
    x = 379,264,320,516,319.44/22,180,262.68
  6. Step 6: Final answer
    x = 17,099,180.74

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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.