Home / 11,852,979.90-17,779,469.85-8,199,815.10

Finding the Fourth Proportional to 11,852,979.90, 17,779,469.85 and 8,199,815.10

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Solution

The fourth proportional to 11,852,979.90, 17,779,469.85 and 8,199,815.10 is: 12,299,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852,979.90 : 17,779,469.85 = 8,199,815.10 : x
  2. Step 2: Convert to fraction form
    11,852,979.90/17,779,469.85 = 8,199,815.10/x
  3. Step 3: Cross multiply
    11,852,979.90x = 17,779,469.85 × 8,199,815.10
  4. Step 4: Simplify right side
    11,852,979.90x = 145,788,365,346,024.75
  5. Step 5: Solve for x
    x = 145,788,365,346,024.75/11,852,979.90
  6. Step 6: Final answer
    x = 12,299,722.65

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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.