Home / 12,948,706.26-17,869,128.36-7,068,316.86

Finding the Fourth Proportional to 12,948,706.26, 17,869,128.36 and 7,068,316.86

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Solution

The fourth proportional to 12,948,706.26, 17,869,128.36 and 7,068,316.86 is: 9,754,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,706.26 : 17,869,128.36 = 7,068,316.86 : x
  2. Step 2: Convert to fraction form
    12,948,706.26/17,869,128.36 = 7,068,316.86/x
  3. Step 3: Cross multiply
    12,948,706.26x = 17,869,128.36 × 7,068,316.86
  4. Step 4: Simplify right side
    12,948,706.26x = 126,304,661,260,492.16
  5. Step 5: Solve for x
    x = 126,304,661,260,492.16/12,948,706.26
  6. Step 6: Final answer
    x = 9,754,230.17

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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.