Home / 23,719,021.78-32,732,278.05-12,854,005.78

Finding the Fourth Proportional to 23,719,021.78, 32,732,278.05 and 12,854,005.78

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Solution

The fourth proportional to 23,719,021.78, 32,732,278.05 and 12,854,005.78 is: 17,738,543.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,719,021.78 : 32,732,278.05 = 12,854,005.78 : x
  2. Step 2: Convert to fraction form
    23,719,021.78/32,732,278.05 = 12,854,005.78/x
  3. Step 3: Cross multiply
    23,719,021.78x = 32,732,278.05 × 12,854,005.78
  4. Step 4: Simplify right side
    23,719,021.78x = 420,740,891,247,267.12
  5. Step 5: Solve for x
    x = 420,740,891,247,267.12/23,719,021.78
  6. Step 6: Final answer
    x = 17,738,543.15

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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.