Home / 20,071,076.10-27,700,459.32-11,922,346.50

Finding the Fourth Proportional to 20,071,076.10, 27,700,459.32 and 11,922,346.50

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Solution

The fourth proportional to 20,071,076.10, 27,700,459.32 and 11,922,346.50 is: 16,454,248.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071,076.10 : 27,700,459.32 = 11,922,346.50 : x
  2. Step 2: Convert to fraction form
    20,071,076.10/27,700,459.32 = 11,922,346.50/x
  3. Step 3: Cross multiply
    20,071,076.10x = 27,700,459.32 × 11,922,346.50
  4. Step 4: Simplify right side
    20,071,076.10x = 330,254,474,222,194.38
  5. Step 5: Solve for x
    x = 330,254,474,222,194.38/20,071,076.10
  6. Step 6: Final answer
    x = 16,454,248.52

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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.