Home / 9,117,305.80-13,675,958.70-6,991,541.80

Finding the Fourth Proportional to 9,117,305.80, 13,675,958.70 and 6,991,541.80

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Solution

The fourth proportional to 9,117,305.80, 13,675,958.70 and 6,991,541.80 is: 10,487,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117,305.80 : 13,675,958.70 = 6,991,541.80 : x
  2. Step 2: Convert to fraction form
    9,117,305.80/13,675,958.70 = 6,991,541.80/x
  3. Step 3: Cross multiply
    9,117,305.80x = 13,675,958.70 × 6,991,541.80
  4. Step 4: Simplify right side
    9,117,305.80x = 95,616,036,906,123.66
  5. Step 5: Solve for x
    x = 95,616,036,906,123.66/9,117,305.80
  6. Step 6: Final answer
    x = 10,487,312.70

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Similar ratio
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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.