Home / 10,908,502.15-16,322,335.13-8,742,959.21

Finding the Fourth Proportional to 10,908,502.15, 16,322,335.13 and 8,742,959.21

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Solution

The fourth proportional to 10,908,502.15, 16,322,335.13 and 8,742,959.21 is: 13,082,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908,502.15 : 16,322,335.13 = 8,742,959.21 : x
  2. Step 2: Convert to fraction form
    10,908,502.15/16,322,335.13 = 8,742,959.21/x
  3. Step 3: Cross multiply
    10,908,502.15x = 16,322,335.13 × 8,742,959.21
  4. Step 4: Simplify right side
    10,908,502.15x = 142,705,510,253,540.06
  5. Step 5: Solve for x
    x = 142,705,510,253,540.06/10,908,502.15
  6. Step 6: Final answer
    x = 13,082,044.47

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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.