Home / 10,615,074.20-15,898,991.70-8,725,506.20

Finding the Fourth Proportional to 10,615,074.20, 15,898,991.70 and 8,725,506.20

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Solution

The fourth proportional to 10,615,074.20, 15,898,991.70 and 8,725,506.20 is: 13,068,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615,074.20 : 15,898,991.70 = 8,725,506.20 : x
  2. Step 2: Convert to fraction form
    10,615,074.20/15,898,991.70 = 8,725,506.20/x
  3. Step 3: Cross multiply
    10,615,074.20x = 15,898,991.70 × 8,725,506.20
  4. Step 4: Simplify right side
    10,615,074.20x = 138,726,750,652,098.52
  5. Step 5: Solve for x
    x = 138,726,750,652,098.52/10,615,074.20
  6. Step 6: Final answer
    x = 13,068,844.18

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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.