Home / 12,196,632,531.72-18,286,920,233.08-8,043,412,456.20

Finding the Fourth Proportional to 12,196,632,531.72, 18,286,920,233.08 and 8,043,412,456.20

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Solution

The fourth proportional to 12,196,632,531.72, 18,286,920,233.08 and 8,043,412,456.20 is: 12,059,824,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196,632,531.72 : 18,286,920,233.08 = 8,043,412,456.20 : x
  2. Step 2: Convert to fraction form
    12,196,632,531.72/18,286,920,233.08 = 8,043,412,456.20/x
  3. Step 3: Cross multiply
    12,196,632,531.72x = 18,286,920,233.08 × 8,043,412,456.20
  4. Step 4: Simplify right side
    12,196,632,531.72x = 147,089,241,988,291,493,888
  5. Step 5: Solve for x
    x = 147,089,241,988,291,493,888/12,196,632,531.72
  6. Step 6: Final answer
    x = 12,059,824,021.57

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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.