Home / 11,684,994.30-17,495,998.65-8,472,728.70

Finding the Fourth Proportional to 11,684,994.30, 17,495,998.65 and 8,472,728.70

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Solution

The fourth proportional to 11,684,994.30, 17,495,998.65 and 8,472,728.70 is: 12,686,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684,994.30 : 17,495,998.65 = 8,472,728.70 : x
  2. Step 2: Convert to fraction form
    11,684,994.30/17,495,998.65 = 8,472,728.70/x
  3. Step 3: Cross multiply
    11,684,994.30x = 17,495,998.65 × 8,472,728.70
  4. Step 4: Simplify right side
    11,684,994.30x = 148,238,849,897,016.22
  5. Step 5: Solve for x
    x = 148,238,849,897,016.22/11,684,994.30
  6. Step 6: Final answer
    x = 12,686,257.78

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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.