Home / 20,262,631.38-27,962,437.32-10,970,199.60

Finding the Fourth Proportional to 20,262,631.38, 27,962,437.32 and 10,970,199.60

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Solution

The fourth proportional to 20,262,631.38, 27,962,437.32 and 10,970,199.60 is: 15,138,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262,631.38 : 27,962,437.32 = 10,970,199.60 : x
  2. Step 2: Convert to fraction form
    20,262,631.38/27,962,437.32 = 10,970,199.60/x
  3. Step 3: Cross multiply
    20,262,631.38x = 27,962,437.32 × 10,970,199.60
  4. Step 4: Simplify right side
    20,262,631.38x = 306,753,518,702,889.06
  5. Step 5: Solve for x
    x = 306,753,518,702,889.06/20,262,631.38
  6. Step 6: Final answer
    x = 15,138,878.70

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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.