Home / 10,797,680.48-14,900,976.16-6,447,146.96

Finding the Fourth Proportional to 10,797,680.48, 14,900,976.16 and 6,447,146.96

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Solution

The fourth proportional to 10,797,680.48, 14,900,976.16 and 6,447,146.96 is: 8,897,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,797,680.48 : 14,900,976.16 = 6,447,146.96 : x
  2. Step 2: Convert to fraction form
    10,797,680.48/14,900,976.16 = 6,447,146.96/x
  3. Step 3: Cross multiply
    10,797,680.48x = 14,900,976.16 × 6,447,146.96
  4. Step 4: Simplify right side
    10,797,680.48x = 96,068,783,150,976.47
  5. Step 5: Solve for x
    x = 96,068,783,150,976.47/10,797,680.48
  6. Step 6: Final answer
    x = 8,897,168.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.