Home / 7,059,686.50-9,741,957.78-3,961,920.52

Finding the Fourth Proportional to 7,059,686.50, 9,741,957.78 and 3,961,920.52

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Solution

The fourth proportional to 7,059,686.50, 9,741,957.78 and 3,961,920.52 is: 5,467,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059,686.50 : 9,741,957.78 = 3,961,920.52 : x
  2. Step 2: Convert to fraction form
    7,059,686.50/9,741,957.78 = 3,961,920.52/x
  3. Step 3: Cross multiply
    7,059,686.50x = 9,741,957.78 × 3,961,920.52
  4. Step 4: Simplify right side
    7,059,686.50x = 38,596,862,433,555.64
  5. Step 5: Solve for x
    x = 38,596,862,433,555.64/7,059,686.50
  6. Step 6: Final answer
    x = 5,467,220.45

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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.