Home / 8,192,031.30-12,290,999.40-3,403,157.40

Finding the Fourth Proportional to 8,192,031.30, 12,290,999.40 and 3,403,157.40

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Solution

The fourth proportional to 8,192,031.30, 12,290,999.40 and 3,403,157.40 is: 5,105,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192,031.30 : 12,290,999.40 = 3,403,157.40 : x
  2. Step 2: Convert to fraction form
    8,192,031.30/12,290,999.40 = 3,403,157.40/x
  3. Step 3: Cross multiply
    8,192,031.30x = 12,290,999.40 × 3,403,157.40
  4. Step 4: Simplify right side
    8,192,031.30x = 41,828,205,561,505.56
  5. Step 5: Solve for x
    x = 41,828,205,561,505.56/8,192,031.30
  6. Step 6: Final answer
    x = 5,105,962.62

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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.