Home / 34,266,113.79-47,279,587.60-20,320,382.30

Finding the Fourth Proportional to 34,266,113.79, 47,279,587.60 and 20,320,382.30

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Solution

The fourth proportional to 34,266,113.79, 47,279,587.60 and 20,320,382.30 is: 28,037,591.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,266,113.79 : 47,279,587.60 = 20,320,382.30 : x
  2. Step 2: Convert to fraction form
    34,266,113.79/47,279,587.60 = 20,320,382.30/x
  3. Step 3: Cross multiply
    34,266,113.79x = 47,279,587.60 × 20,320,382.30
  4. Step 4: Simplify right side
    34,266,113.79x = 960,739,295,018,339.50
  5. Step 5: Solve for x
    x = 960,739,295,018,339.50/34,266,113.79
  6. Step 6: Final answer
    x = 28,037,591.33

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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.