Home / 7,127,999.60-10,691,999.40-4,435,365.20

Finding the Fourth Proportional to 7,127,999.60, 10,691,999.40 and 4,435,365.20

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Solution

The fourth proportional to 7,127,999.60, 10,691,999.40 and 4,435,365.20 is: 6,653,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,999.60 : 10,691,999.40 = 4,435,365.20 : x
  2. Step 2: Convert to fraction form
    7,127,999.60/10,691,999.40 = 4,435,365.20/x
  3. Step 3: Cross multiply
    7,127,999.60x = 10,691,999.40 × 4,435,365.20
  4. Step 4: Simplify right side
    7,127,999.60x = 47,422,922,057,180.88
  5. Step 5: Solve for x
    x = 47,422,922,057,180.88/7,127,999.60
  6. Step 6: Final answer
    x = 6,653,047.80

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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.