Home / 20,453,856.10-28,226,920.34-11,162,024.90

Finding the Fourth Proportional to 20,453,856.10, 28,226,920.34 and 11,162,024.90

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Solution

The fourth proportional to 20,453,856.10, 28,226,920.34 and 11,162,024.90 is: 15,403,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453,856.10 : 28,226,920.34 = 11,162,024.90 : x
  2. Step 2: Convert to fraction form
    20,453,856.10/28,226,920.34 = 11,162,024.90/x
  3. Step 3: Cross multiply
    20,453,856.10x = 28,226,920.34 × 11,162,024.90
  4. Step 4: Simplify right side
    20,453,856.10x = 315,069,587,685,396.50
  5. Step 5: Solve for x
    x = 315,069,587,685,396.50/20,453,856.10
  6. Step 6: Final answer
    x = 15,403,921.20

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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.