Home / 15,706,360.80-23,577,255.90-12,127,991.40

Finding the Fourth Proportional to 15,706,360.80, 23,577,255.90 and 12,127,991.40

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Solution

The fourth proportional to 15,706,360.80, 23,577,255.90 and 12,127,991.40 is: 18,205,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706,360.80 : 23,577,255.90 = 12,127,991.40 : x
  2. Step 2: Convert to fraction form
    15,706,360.80/23,577,255.90 = 12,127,991.40/x
  3. Step 3: Cross multiply
    15,706,360.80x = 23,577,255.90 × 12,127,991.40
  4. Step 4: Simplify right side
    15,706,360.80x = 285,944,756,790,799.25
  5. Step 5: Solve for x
    x = 285,944,756,790,799.25/15,706,360.80
  6. Step 6: Final answer
    x = 18,205,665.87

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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.