Home / 20,262,631.88-27,962,438.02-10,970,200.10

Finding the Fourth Proportional to 20,262,631.88, 27,962,438.02 and 10,970,200.10

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Solution

The fourth proportional to 20,262,631.88, 27,962,438.02 and 10,970,200.10 is: 15,138,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262,631.88 : 27,962,438.02 = 10,970,200.10 : x
  2. Step 2: Convert to fraction form
    20,262,631.88/27,962,438.02 = 10,970,200.10/x
  3. Step 3: Cross multiply
    20,262,631.88x = 27,962,438.02 × 10,970,200.10
  4. Step 4: Simplify right side
    20,262,631.88x = 306,753,540,363,247.81
  5. Step 5: Solve for x
    x = 306,753,540,363,247.81/20,262,631.88
  6. Step 6: Final answer
    x = 15,138,879.40

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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.