Home / 7,229,724.34-9,977,121.38-3,966,479.77

Finding the Fourth Proportional to 7,229,724.34, 9,977,121.38 and 3,966,479.77

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Solution

The fourth proportional to 7,229,724.34, 9,977,121.38 and 3,966,479.77 is: 5,473,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229,724.34 : 9,977,121.38 = 3,966,479.77 : x
  2. Step 2: Convert to fraction form
    7,229,724.34/9,977,121.38 = 3,966,479.77/x
  3. Step 3: Cross multiply
    7,229,724.34x = 9,977,121.38 × 3,966,479.77
  4. Step 4: Simplify right side
    7,229,724.34x = 39,574,050,101,577.88
  5. Step 5: Solve for x
    x = 39,574,050,101,577.88/7,229,724.34
  6. Step 6: Final answer
    x = 5,473,797.93

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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.