Home / 20,416,378.67-28,174,247.82-11,124,025.10

Finding the Fourth Proportional to 20,416,378.67, 28,174,247.82 and 11,124,025.10

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Solution

The fourth proportional to 20,416,378.67, 28,174,247.82 and 11,124,025.10 is: 15,350,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416,378.67 : 28,174,247.82 = 11,124,025.10 : x
  2. Step 2: Convert to fraction form
    20,416,378.67/28,174,247.82 = 11,124,025.10/x
  3. Step 3: Cross multiply
    20,416,378.67x = 28,174,247.82 × 11,124,025.10
  4. Step 4: Simplify right side
    20,416,378.67x = 313,411,039,888,082.50
  5. Step 5: Solve for x
    x = 313,411,039,888,082.50/20,416,378.67
  6. Step 6: Final answer
    x = 15,350,961.35

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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.