Home / 18,388,117.57-25,375,601.04-10,657,643.92

Finding the Fourth Proportional to 18,388,117.57, 25,375,601.04 and 10,657,643.92

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Solution

The fourth proportional to 18,388,117.57, 25,375,601.04 and 10,657,643.92 is: 14,707,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,117.57 : 25,375,601.04 = 10,657,643.92 : x
  2. Step 2: Convert to fraction form
    18,388,117.57/25,375,601.04 = 10,657,643.92/x
  3. Step 3: Cross multiply
    18,388,117.57x = 25,375,601.04 × 10,657,643.92
  4. Step 4: Simplify right side
    18,388,117.57x = 270,444,120,140,301.66
  5. Step 5: Solve for x
    x = 270,444,120,140,301.66/18,388,117.57
  6. Step 6: Final answer
    x = 14,707,547.91

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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.