Home / 7,347,816.80-11,021,725.20-5,458,248.80

Finding the Fourth Proportional to 7,347,816.80, 11,021,725.20 and 5,458,248.80

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Solution

The fourth proportional to 7,347,816.80, 11,021,725.20 and 5,458,248.80 is: 8,187,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347,816.80 : 11,021,725.20 = 5,458,248.80 : x
  2. Step 2: Convert to fraction form
    7,347,816.80/11,021,725.20 = 5,458,248.80/x
  3. Step 3: Cross multiply
    7,347,816.80x = 11,021,725.20 × 5,458,248.80
  4. Step 4: Simplify right side
    7,347,816.80x = 60,159,318,346,829.75
  5. Step 5: Solve for x
    x = 60,159,318,346,829.75/7,347,816.80
  6. Step 6: Final answer
    x = 8,187,373.20

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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.