Home / 10,917,793.60-16,376,690.40-8,398,369.60

Finding the Fourth Proportional to 10,917,793.60, 16,376,690.40 and 8,398,369.60

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Solution

The fourth proportional to 10,917,793.60, 16,376,690.40 and 8,398,369.60 is: 12,597,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917,793.60 : 16,376,690.40 = 8,398,369.60 : x
  2. Step 2: Convert to fraction form
    10,917,793.60/16,376,690.40 = 8,398,369.60/x
  3. Step 3: Cross multiply
    10,917,793.60x = 16,376,690.40 × 8,398,369.60
  4. Step 4: Simplify right side
    10,917,793.60x = 137,537,498,803,971.84
  5. Step 5: Solve for x
    x = 137,537,498,803,971.84/10,917,793.60
  6. Step 6: Final answer
    x = 12,597,554.40

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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.