Home / 10,917,857.60-16,376,786.40-8,398,433.60

Finding the Fourth Proportional to 10,917,857.60, 16,376,786.40 and 8,398,433.60

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Solution

The fourth proportional to 10,917,857.60, 16,376,786.40 and 8,398,433.60 is: 12,597,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917,857.60 : 16,376,786.40 = 8,398,433.60 : x
  2. Step 2: Convert to fraction form
    10,917,857.60/16,376,786.40 = 8,398,433.60/x
  3. Step 3: Cross multiply
    10,917,857.60x = 16,376,786.40 × 8,398,433.60
  4. Step 4: Simplify right side
    10,917,857.60x = 137,539,353,161,783.03
  5. Step 5: Solve for x
    x = 137,539,353,161,783.03/10,917,857.60
  6. Step 6: Final answer
    x = 12,597,650.40

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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.