Home / 7,816,999.70-11,725,499.55-6,557,287.70

Finding the Fourth Proportional to 7,816,999.70, 11,725,499.55 and 6,557,287.70

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Solution

The fourth proportional to 7,816,999.70, 11,725,499.55 and 6,557,287.70 is: 9,835,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816,999.70 : 11,725,499.55 = 6,557,287.70 : x
  2. Step 2: Convert to fraction form
    7,816,999.70/11,725,499.55 = 6,557,287.70/x
  3. Step 3: Cross multiply
    7,816,999.70x = 11,725,499.55 × 6,557,287.70
  4. Step 4: Simplify right side
    7,816,999.70x = 76,887,473,975,570.55
  5. Step 5: Solve for x
    x = 76,887,473,975,570.55/7,816,999.70
  6. Step 6: Final answer
    x = 9,835,931.55

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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.