Home / 6,338,665.60-9,507,998.40-5,791,235.20

Finding the Fourth Proportional to 6,338,665.60, 9,507,998.40 and 5,791,235.20

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Solution

The fourth proportional to 6,338,665.60, 9,507,998.40 and 5,791,235.20 is: 8,686,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338,665.60 : 9,507,998.40 = 5,791,235.20 : x
  2. Step 2: Convert to fraction form
    6,338,665.60/9,507,998.40 = 5,791,235.20/x
  3. Step 3: Cross multiply
    6,338,665.60x = 9,507,998.40 × 5,791,235.20
  4. Step 4: Simplify right side
    6,338,665.60x = 55,063,055,015,623.69
  5. Step 5: Solve for x
    x = 55,063,055,015,623.69/6,338,665.60
  6. Step 6: Final answer
    x = 8,686,852.80

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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.