Home / 6,428,073.13-8,870,996.66-3,527,567.80

Finding the Fourth Proportional to 6,428,073.13, 8,870,996.66 and 3,527,567.80

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Solution

The fourth proportional to 6,428,073.13, 8,870,996.66 and 3,527,567.80 is: 4,868,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,073.13 : 8,870,996.66 = 3,527,567.80 : x
  2. Step 2: Convert to fraction form
    6,428,073.13/8,870,996.66 = 3,527,567.80/x
  3. Step 3: Cross multiply
    6,428,073.13x = 8,870,996.66 × 3,527,567.80
  4. Step 4: Simplify right side
    6,428,073.13x = 31,293,042,131,908.21
  5. Step 5: Solve for x
    x = 31,293,042,131,908.21/6,428,073.13
  6. Step 6: Final answer
    x = 4,868,183.90

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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.