Home / 7,041,639-9,717,700.68-3,944,295.12

Finding the Fourth Proportional to 7,041,639, 9,717,700.68 and 3,944,295.12

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Solution

The fourth proportional to 7,041,639, 9,717,700.68 and 3,944,295.12 is: 5,443,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041,639 : 9,717,700.68 = 3,944,295.12 : x
  2. Step 2: Convert to fraction form
    7,041,639/9,717,700.68 = 3,944,295.12/x
  3. Step 3: Cross multiply
    7,041,639x = 9,717,700.68 × 3,944,295.12
  4. Step 4: Simplify right side
    7,041,639x = 38,329,479,369,744.68
  5. Step 5: Solve for x
    x = 38,329,479,369,744.68/7,041,639
  6. Step 6: Final answer
    x = 5,443,261.06

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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.