Home / 12,235,112.27-16,884,888.11-6,728,913.30

Finding the Fourth Proportional to 12,235,112.27, 16,884,888.11 and 6,728,913.30

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Solution

The fourth proportional to 12,235,112.27, 16,884,888.11 and 6,728,913.30 is: 9,286,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235,112.27 : 16,884,888.11 = 6,728,913.30 : x
  2. Step 2: Convert to fraction form
    12,235,112.27/16,884,888.11 = 6,728,913.30/x
  3. Step 3: Cross multiply
    12,235,112.27x = 16,884,888.11 × 6,728,913.30
  4. Step 4: Simplify right side
    12,235,112.27x = 113,616,948,227,298.06
  5. Step 5: Solve for x
    x = 113,616,948,227,298.06/12,235,112.27
  6. Step 6: Final answer
    x = 9,286,138.59

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1.5x scale

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.