Home / 7,257,060.80-10,889,738.40-2,772,555.20

Finding the Fourth Proportional to 7,257,060.80, 10,889,738.40 and 2,772,555.20

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Solution

The fourth proportional to 7,257,060.80, 10,889,738.40 and 2,772,555.20 is: 4,160,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257,060.80 : 10,889,738.40 = 2,772,555.20 : x
  2. Step 2: Convert to fraction form
    7,257,060.80/10,889,738.40 = 2,772,555.20/x
  3. Step 3: Cross multiply
    7,257,060.80x = 10,889,738.40 × 2,772,555.20
  4. Step 4: Simplify right side
    7,257,060.80x = 30,192,400,827,559.68
  5. Step 5: Solve for x
    x = 30,192,400,827,559.68/7,257,060.80
  6. Step 6: Final answer
    x = 4,160,417.23

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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.