Home / 7,258,153.80-10,887,230.70-4,990,672.20

Finding the Fourth Proportional to 7,258,153.80, 10,887,230.70 and 4,990,672.20

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Solution

The fourth proportional to 7,258,153.80, 10,887,230.70 and 4,990,672.20 is: 7,486,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258,153.80 : 10,887,230.70 = 4,990,672.20 : x
  2. Step 2: Convert to fraction form
    7,258,153.80/10,887,230.70 = 4,990,672.20/x
  3. Step 3: Cross multiply
    7,258,153.80x = 10,887,230.70 × 4,990,672.20
  4. Step 4: Simplify right side
    7,258,153.80x = 54,334,599,589,476.54
  5. Step 5: Solve for x
    x = 54,334,599,589,476.54/7,258,153.80
  6. Step 6: Final answer
    x = 7,486,008.30

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1.5x scale

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.