Home / 7,898,123.80-11,847,185.70-6,551,806.60

Finding the Fourth Proportional to 7,898,123.80, 11,847,185.70 and 6,551,806.60

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Solution

The fourth proportional to 7,898,123.80, 11,847,185.70 and 6,551,806.60 is: 9,827,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898,123.80 : 11,847,185.70 = 6,551,806.60 : x
  2. Step 2: Convert to fraction form
    7,898,123.80/11,847,185.70 = 6,551,806.60/x
  3. Step 3: Cross multiply
    7,898,123.80x = 11,847,185.70 × 6,551,806.60
  4. Step 4: Simplify right side
    7,898,123.80x = 77,620,469,460,685.61
  5. Step 5: Solve for x
    x = 77,620,469,460,685.61/7,898,123.80
  6. Step 6: Final answer
    x = 9,827,709.90

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Double scale
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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.