Home / 18,538,886.10-27,772,459.92-10,427,215.62

Finding the Fourth Proportional to 18,538,886.10, 27,772,459.92 and 10,427,215.62

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Solution

The fourth proportional to 18,538,886.10, 27,772,459.92 and 10,427,215.62 is: 15,620,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538,886.10 : 27,772,459.92 = 10,427,215.62 : x
  2. Step 2: Convert to fraction form
    18,538,886.10/27,772,459.92 = 10,427,215.62/x
  3. Step 3: Cross multiply
    18,538,886.10x = 27,772,459.92 × 10,427,215.62
  4. Step 4: Simplify right side
    18,538,886.10x = 289,589,427,883,647.94
  5. Step 5: Solve for x
    x = 289,589,427,883,647.94/18,538,886.10
  6. Step 6: Final answer
    x = 15,620,648.74

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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.