Home / 27,193,155.80-40,789,733.70-25,870,458.20

Finding the Fourth Proportional to 27,193,155.80, 40,789,733.70 and 25,870,458.20

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Solution

The fourth proportional to 27,193,155.80, 40,789,733.70 and 25,870,458.20 is: 38,805,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,193,155.80 : 40,789,733.70 = 25,870,458.20 : x
  2. Step 2: Convert to fraction form
    27,193,155.80/40,789,733.70 = 25,870,458.20/x
  3. Step 3: Cross multiply
    27,193,155.80x = 40,789,733.70 × 25,870,458.20
  4. Step 4: Simplify right side
    27,193,155.80x = 1,055,249,100,674,981.38
  5. Step 5: Solve for x
    x = 1,055,249,100,674,981.38/27,193,155.80
  6. Step 6: Final answer
    x = 38,805,687.30

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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.