Home / 18,551,051.32-27,813,538.76-8,171,345.20

Finding the Fourth Proportional to 18,551,051.32, 27,813,538.76 and 8,171,345.20

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Solution

The fourth proportional to 18,551,051.32, 27,813,538.76 and 8,171,345.20 is: 12,251,274.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551,051.32 : 27,813,538.76 = 8,171,345.20 : x
  2. Step 2: Convert to fraction form
    18,551,051.32/27,813,538.76 = 8,171,345.20/x
  3. Step 3: Cross multiply
    18,551,051.32x = 27,813,538.76 × 8,171,345.20
  4. Step 4: Simplify right side
    18,551,051.32x = 227,274,026,441,539.97
  5. Step 5: Solve for x
    x = 227,274,026,441,539.97/18,551,051.32
  6. Step 6: Final answer
    x = 12,251,274.74

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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.