Home / 9,672,106.92-13,348,449.54-7,220,460.78

Finding the Fourth Proportional to 9,672,106.92, 13,348,449.54 and 7,220,460.78

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Solution

The fourth proportional to 9,672,106.92, 13,348,449.54 and 7,220,460.78 is: 9,964,939.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672,106.92 : 13,348,449.54 = 7,220,460.78 : x
  2. Step 2: Convert to fraction form
    9,672,106.92/13,348,449.54 = 7,220,460.78/x
  3. Step 3: Cross multiply
    9,672,106.92x = 13,348,449.54 × 7,220,460.78
  4. Step 4: Simplify right side
    9,672,106.92x = 96,381,956,377,379.03
  5. Step 5: Solve for x
    x = 96,381,956,377,379.03/9,672,106.92
  6. Step 6: Final answer
    x = 9,964,939.09

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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.