Home / 12,296,711.55-18,445,067.33-11,456,903.55

Finding the Fourth Proportional to 12,296,711.55, 18,445,067.33 and 11,456,903.55

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Solution

The fourth proportional to 12,296,711.55, 18,445,067.33 and 11,456,903.55 is: 17,185,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,711.55 : 18,445,067.33 = 11,456,903.55 : x
  2. Step 2: Convert to fraction form
    12,296,711.55/18,445,067.33 = 11,456,903.55/x
  3. Step 3: Cross multiply
    12,296,711.55x = 18,445,067.33 × 11,456,903.55
  4. Step 4: Simplify right side
    12,296,711.55x = 211,323,357,315,781.50
  5. Step 5: Solve for x
    x = 211,323,357,315,781.50/12,296,711.55
  6. Step 6: Final answer
    x = 17,185,355.33

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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.