Home / 15,541,649.70-23,312,474.55-12,140,427.30

Finding the Fourth Proportional to 15,541,649.70, 23,312,474.55 and 12,140,427.30

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Solution

The fourth proportional to 15,541,649.70, 23,312,474.55 and 12,140,427.30 is: 18,210,640.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541,649.70 : 23,312,474.55 = 12,140,427.30 : x
  2. Step 2: Convert to fraction form
    15,541,649.70/23,312,474.55 = 12,140,427.30/x
  3. Step 3: Cross multiply
    15,541,649.70x = 23,312,474.55 × 12,140,427.30
  4. Step 4: Simplify right side
    15,541,649.70x = 283,023,402,457,375.25
  5. Step 5: Solve for x
    x = 283,023,402,457,375.25/15,541,649.70
  6. Step 6: Final answer
    x = 18,210,640.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.