Home / 12,096,860.80-18,145,291.20-9,110,876.80

Finding the Fourth Proportional to 12,096,860.80, 18,145,291.20 and 9,110,876.80

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Solution

The fourth proportional to 12,096,860.80, 18,145,291.20 and 9,110,876.80 is: 13,666,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,860.80 : 18,145,291.20 = 9,110,876.80 : x
  2. Step 2: Convert to fraction form
    12,096,860.80/18,145,291.20 = 9,110,876.80/x
  3. Step 3: Cross multiply
    12,096,860.80x = 18,145,291.20 × 9,110,876.80
  4. Step 4: Simplify right side
    12,096,860.80x = 165,319,512,623,324.16
  5. Step 5: Solve for x
    x = 165,319,512,623,324.16/12,096,860.80
  6. Step 6: Final answer
    x = 13,666,315.20

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1.5x scale

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.