Home / 18,120,696.96-25,006,566.96-9,971,934.96

Finding the Fourth Proportional to 18,120,696.96, 25,006,566.96 and 9,971,934.96

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Solution

The fourth proportional to 18,120,696.96, 25,006,566.96 and 9,971,934.96 is: 13,761,273.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120,696.96 : 25,006,566.96 = 9,971,934.96 : x
  2. Step 2: Convert to fraction form
    18,120,696.96/25,006,566.96 = 9,971,934.96/x
  3. Step 3: Cross multiply
    18,120,696.96x = 25,006,566.96 × 9,971,934.96
  4. Step 4: Simplify right side
    18,120,696.96x = 249,363,859,298,004.94
  5. Step 5: Solve for x
    x = 249,363,859,298,004.94/18,120,696.96
  6. Step 6: Final answer
    x = 13,761,273.08

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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.