Home / 10,976,886.40-16,474,660.80-4,920,937.60

Finding the Fourth Proportional to 10,976,886.40, 16,474,660.80 and 4,920,937.60

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Solution

The fourth proportional to 10,976,886.40, 16,474,660.80 and 4,920,937.60 is: 7,385,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976,886.40 : 16,474,660.80 = 4,920,937.60 : x
  2. Step 2: Convert to fraction form
    10,976,886.40/16,474,660.80 = 4,920,937.60/x
  3. Step 3: Cross multiply
    10,976,886.40x = 16,474,660.80 × 4,920,937.60
  4. Step 4: Simplify right side
    10,976,886.40x = 81,070,777,777,966.08
  5. Step 5: Solve for x
    x = 81,070,777,777,966.08/10,976,886.40
  6. Step 6: Final answer
    x = 7,385,589.58

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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.