Home / 7,152,743.40-10,729,115.10-6,368,922.60

Finding the Fourth Proportional to 7,152,743.40, 10,729,115.10 and 6,368,922.60

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Solution

The fourth proportional to 7,152,743.40, 10,729,115.10 and 6,368,922.60 is: 9,553,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,743.40 : 10,729,115.10 = 6,368,922.60 : x
  2. Step 2: Convert to fraction form
    7,152,743.40/10,729,115.10 = 6,368,922.60/x
  3. Step 3: Cross multiply
    7,152,743.40x = 10,729,115.10 × 6,368,922.60
  4. Step 4: Simplify right side
    7,152,743.40x = 68,332,903,638,391.25
  5. Step 5: Solve for x
    x = 68,332,903,638,391.25/7,152,743.40
  6. Step 6: Final answer
    x = 9,553,383.90

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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.