Home / 11,071,481.20-16,607,221.80-9,307,884.40

Finding the Fourth Proportional to 11,071,481.20, 16,607,221.80 and 9,307,884.40

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Solution

The fourth proportional to 11,071,481.20, 16,607,221.80 and 9,307,884.40 is: 13,961,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071,481.20 : 16,607,221.80 = 9,307,884.40 : x
  2. Step 2: Convert to fraction form
    11,071,481.20/16,607,221.80 = 9,307,884.40/x
  3. Step 3: Cross multiply
    11,071,481.20x = 16,607,221.80 × 9,307,884.40
  4. Step 4: Simplify right side
    11,071,481.20x = 154,578,100,719,559.94
  5. Step 5: Solve for x
    x = 154,578,100,719,559.94/11,071,481.20
  6. Step 6: Final answer
    x = 13,961,826.60

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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.