Home / 13,891,489.26-19,170,006.18-7,696,411.35

Finding the Fourth Proportional to 13,891,489.26, 19,170,006.18 and 7,696,411.35

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Solution

The fourth proportional to 13,891,489.26, 19,170,006.18 and 7,696,411.35 is: 10,620,909.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891,489.26 : 19,170,006.18 = 7,696,411.35 : x
  2. Step 2: Convert to fraction form
    13,891,489.26/19,170,006.18 = 7,696,411.35/x
  3. Step 3: Cross multiply
    13,891,489.26x = 19,170,006.18 × 7,696,411.35
  4. Step 4: Simplify right side
    13,891,489.26x = 147,540,253,042,573.09
  5. Step 5: Solve for x
    x = 147,540,253,042,573.09/13,891,489.26
  6. Step 6: Final answer
    x = 10,620,909.70

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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.