Home / 12,259,115.59-16,917,579.52-7,105,466.50

Finding the Fourth Proportional to 12,259,115.59, 16,917,579.52 and 7,105,466.50

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Solution

The fourth proportional to 12,259,115.59, 16,917,579.52 and 7,105,466.50 is: 9,805,543.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,115.59 : 16,917,579.52 = 7,105,466.50 : x
  2. Step 2: Convert to fraction form
    12,259,115.59/16,917,579.52 = 7,105,466.50/x
  3. Step 3: Cross multiply
    12,259,115.59x = 16,917,579.52 × 7,105,466.50
  4. Step 4: Simplify right side
    12,259,115.59x = 120,207,294,540,446.08
  5. Step 5: Solve for x
    x = 120,207,294,540,446.08/12,259,115.59
  6. Step 6: Final answer
    x = 9,805,543.77

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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.