Home / 20,280,180-27,986,648.40-11,695,476

Finding the Fourth Proportional to 20,280,180, 27,986,648.40 and 11,695,476

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Solution

The fourth proportional to 20,280,180, 27,986,648.40 and 11,695,476 is: 16,139,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,180 : 27,986,648.40 = 11,695,476 : x
  2. Step 2: Convert to fraction form
    20,280,180/27,986,648.40 = 11,695,476/x
  3. Step 3: Cross multiply
    20,280,180x = 27,986,648.40 × 11,695,476
  4. Step 4: Simplify right side
    20,280,180x = 327,317,174,682,638.38
  5. Step 5: Solve for x
    x = 327,317,174,682,638.38/20,280,180
  6. Step 6: Final answer
    x = 16,139,756.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.