Home / 19,128,157.43-28,696,311.86-6,175,044.23

Finding the Fourth Proportional to 19,128,157.43, 28,696,311.86 and 6,175,044.23

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Solution

The fourth proportional to 19,128,157.43, 28,696,311.86 and 6,175,044.23 is: 9,263,882.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128,157.43 : 28,696,311.86 = 6,175,044.23 : x
  2. Step 2: Convert to fraction form
    19,128,157.43/28,696,311.86 = 6,175,044.23/x
  3. Step 3: Cross multiply
    19,128,157.43x = 28,696,311.86 × 6,175,044.23
  4. Step 4: Simplify right side
    19,128,157.43x = 177,200,994,799,016.78
  5. Step 5: Solve for x
    x = 177,200,994,799,016.78/19,128,157.43
  6. Step 6: Final answer
    x = 9,263,882.08

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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.