Home / 10,917,858.10-16,376,787.15-8,398,434.10

Finding the Fourth Proportional to 10,917,858.10, 16,376,787.15 and 8,398,434.10

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Solution

The fourth proportional to 10,917,858.10, 16,376,787.15 and 8,398,434.10 is: 12,597,651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917,858.10 : 16,376,787.15 = 8,398,434.10 : x
  2. Step 2: Convert to fraction form
    10,917,858.10/16,376,787.15 = 8,398,434.10/x
  3. Step 3: Cross multiply
    10,917,858.10x = 16,376,787.15 × 8,398,434.10
  4. Step 4: Simplify right side
    10,917,858.10x = 137,539,367,649,001.81
  5. Step 5: Solve for x
    x = 137,539,367,649,001.81/10,917,858.10
  6. Step 6: Final answer
    x = 12,597,651.15

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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.