Home / 7,774,906.28-11,662,275.18-2,657,287.40

Finding the Fourth Proportional to 7,774,906.28, 11,662,275.18 and 2,657,287.40

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Solution

The fourth proportional to 7,774,906.28, 11,662,275.18 and 2,657,287.40 is: 3,985,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774,906.28 : 11,662,275.18 = 2,657,287.40 : x
  2. Step 2: Convert to fraction form
    7,774,906.28/11,662,275.18 = 2,657,287.40/x
  3. Step 3: Cross multiply
    7,774,906.28x = 11,662,275.18 × 2,657,287.40
  4. Step 4: Simplify right side
    7,774,906.28x = 30,990,016,891,146.73
  5. Step 5: Solve for x
    x = 30,990,016,891,146.73/7,774,906.28
  6. Step 6: Final answer
    x = 3,985,902.31

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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.