Home / 7,487,999.60-11,231,999.40-6,243,839.60

Finding the Fourth Proportional to 7,487,999.60, 11,231,999.40 and 6,243,839.60

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Solution

The fourth proportional to 7,487,999.60, 11,231,999.40 and 6,243,839.60 is: 9,365,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487,999.60 : 11,231,999.40 = 6,243,839.60 : x
  2. Step 2: Convert to fraction form
    7,487,999.60/11,231,999.40 = 6,243,839.60/x
  3. Step 3: Cross multiply
    7,487,999.60x = 11,231,999.40 × 6,243,839.60
  4. Step 4: Simplify right side
    7,487,999.60x = 70,130,802,640,896.23
  5. Step 5: Solve for x
    x = 70,130,802,640,896.23/7,487,999.60
  6. Step 6: Final answer
    x = 9,365,759.40

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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.