Home / 8,790,445-13,245,566.47-7,228,009

Finding the Fourth Proportional to 8,790,445, 13,245,566.47 and 7,228,009

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Solution

The fourth proportional to 8,790,445, 13,245,566.47 and 7,228,009 is: 10,891,265.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790,445 : 13,245,566.47 = 7,228,009 : x
  2. Step 2: Convert to fraction form
    8,790,445/13,245,566.47 = 7,228,009/x
  3. Step 3: Cross multiply
    8,790,445x = 13,245,566.47 × 7,228,009
  4. Step 4: Simplify right side
    8,790,445x = 95,739,073,655,258.23
  5. Step 5: Solve for x
    x = 95,739,073,655,258.23/8,790,445
  6. Step 6: Final answer
    x = 10,891,265.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.