Home / 11,465,800.72-15,816,775.36-6,816,278.43

Finding the Fourth Proportional to 11,465,800.72, 15,816,775.36 and 6,816,278.43

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Solution

The fourth proportional to 11,465,800.72, 15,816,775.36 and 6,816,278.43 is: 9,402,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465,800.72 : 15,816,775.36 = 6,816,278.43 : x
  2. Step 2: Convert to fraction form
    11,465,800.72/15,816,775.36 = 6,816,278.43/x
  3. Step 3: Cross multiply
    11,465,800.72x = 15,816,775.36 × 6,816,278.43
  4. Step 4: Simplify right side
    11,465,800.72x = 107,811,544,731,139.23
  5. Step 5: Solve for x
    x = 107,811,544,731,139.23/11,465,800.72
  6. Step 6: Final answer
    x = 9,402,879.69

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Double scale
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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.