Home / 12,612,543.19-17,405,309.01-6,811,324.45

Finding the Fourth Proportional to 12,612,543.19, 17,405,309.01 and 6,811,324.45

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Solution

The fourth proportional to 12,612,543.19, 17,405,309.01 and 6,811,324.45 is: 9,399,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612,543.19 : 17,405,309.01 = 6,811,324.45 : x
  2. Step 2: Convert to fraction form
    12,612,543.19/17,405,309.01 = 6,811,324.45/x
  3. Step 3: Cross multiply
    12,612,543.19x = 17,405,309.01 × 6,811,324.45
  4. Step 4: Simplify right side
    12,612,543.19x = 118,553,206,819,618.31
  5. Step 5: Solve for x
    x = 118,553,206,819,618.31/12,612,543.19
  6. Step 6: Final answer
    x = 9,399,627.42

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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.