Home / 12,315,241.50-18,473,474.61-8,725,062.30

Finding the Fourth Proportional to 12,315,241.50, 18,473,474.61 and 8,725,062.30

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Solution

The fourth proportional to 12,315,241.50, 18,473,474.61 and 8,725,062.30 is: 13,088,027.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,315,241.50 : 18,473,474.61 = 8,725,062.30 : x
  2. Step 2: Convert to fraction form
    12,315,241.50/18,473,474.61 = 8,725,062.30/x
  3. Step 3: Cross multiply
    12,315,241.50x = 18,473,474.61 × 8,725,062.30
  4. Step 4: Simplify right side
    12,315,241.50x = 161,182,216,869,718.22
  5. Step 5: Solve for x
    x = 161,182,216,869,718.22/12,315,241.50
  6. Step 6: Final answer
    x = 13,088,027.29

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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.