Home / 20,292,442.92-30,435,865.02-11,211,319.08

Finding the Fourth Proportional to 20,292,442.92, 30,435,865.02 and 11,211,319.08

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Solution

The fourth proportional to 20,292,442.92, 30,435,865.02 and 11,211,319.08 is: 16,815,432.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292,442.92 : 30,435,865.02 = 11,211,319.08 : x
  2. Step 2: Convert to fraction form
    20,292,442.92/30,435,865.02 = 11,211,319.08/x
  3. Step 3: Cross multiply
    20,292,442.92x = 30,435,865.02 × 11,211,319.08
  4. Step 4: Simplify right side
    20,292,442.92x = 341,226,194,215,030.56
  5. Step 5: Solve for x
    x = 341,226,194,215,030.56/20,292,442.92
  6. Step 6: Final answer
    x = 16,815,432.01

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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.