Home / 7,278,010.80-10,917,016.20-4,585,376.40

Finding the Fourth Proportional to 7,278,010.80, 10,917,016.20 and 4,585,376.40

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Solution

The fourth proportional to 7,278,010.80, 10,917,016.20 and 4,585,376.40 is: 6,878,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,010.80 : 10,917,016.20 = 4,585,376.40 : x
  2. Step 2: Convert to fraction form
    7,278,010.80/10,917,016.20 = 4,585,376.40/x
  3. Step 3: Cross multiply
    7,278,010.80x = 10,917,016.20 × 4,585,376.40
  4. Step 4: Simplify right side
    7,278,010.80x = 50,058,628,441,897.68
  5. Step 5: Solve for x
    x = 50,058,628,441,897.68/7,278,010.80
  6. Step 6: Final answer
    x = 6,878,064.60

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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.