Home / 13,453,800.30-20,180,700.45-7,407,182.70

Finding the Fourth Proportional to 13,453,800.30, 20,180,700.45 and 7,407,182.70

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Solution

The fourth proportional to 13,453,800.30, 20,180,700.45 and 7,407,182.70 is: 11,110,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453,800.30 : 20,180,700.45 = 7,407,182.70 : x
  2. Step 2: Convert to fraction form
    13,453,800.30/20,180,700.45 = 7,407,182.70/x
  3. Step 3: Cross multiply
    13,453,800.30x = 20,180,700.45 × 7,407,182.70
  4. Step 4: Simplify right side
    13,453,800.30x = 149,482,135,247,122.22
  5. Step 5: Solve for x
    x = 149,482,135,247,122.22/13,453,800.30
  6. Step 6: Final answer
    x = 11,110,774.05

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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.