Home / 10,195,122.87-15,292,725.53-4,129,969.29

Finding the Fourth Proportional to 10,195,122.87, 15,292,725.53 and 4,129,969.29

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Solution

The fourth proportional to 10,195,122.87, 15,292,725.53 and 4,129,969.29 is: 6,194,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195,122.87 : 15,292,725.53 = 4,129,969.29 : x
  2. Step 2: Convert to fraction form
    10,195,122.87/15,292,725.53 = 4,129,969.29/x
  3. Step 3: Cross multiply
    10,195,122.87x = 15,292,725.53 × 4,129,969.29
  4. Step 4: Simplify right side
    10,195,122.87x = 63,158,486,799,298.97
  5. Step 5: Solve for x
    x = 63,158,486,799,298.97/10,195,122.87
  6. Step 6: Final answer
    x = 6,194,970.63

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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.