Home / 18,127,014.17-25,015,795.20-9,867,609.09

Finding the Fourth Proportional to 18,127,014.17, 25,015,795.20 and 9,867,609.09

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Solution

The fourth proportional to 18,127,014.17, 25,015,795.20 and 9,867,609.09 is: 13,617,581.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127,014.17 : 25,015,795.20 = 9,867,609.09 : x
  2. Step 2: Convert to fraction form
    18,127,014.17/25,015,795.20 = 9,867,609.09/x
  3. Step 3: Cross multiply
    18,127,014.17x = 25,015,795.20 × 9,867,609.09
  4. Step 4: Simplify right side
    18,127,014.17x = 246,846,088,109,098.34
  5. Step 5: Solve for x
    x = 246,846,088,109,098.34/18,127,014.17
  6. Step 6: Final answer
    x = 13,617,581.24

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1.5x scale

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.