Home / 7,328,243.80-10,992,365.70-5,415,056.20

Finding the Fourth Proportional to 7,328,243.80, 10,992,365.70 and 5,415,056.20

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Solution

The fourth proportional to 7,328,243.80, 10,992,365.70 and 5,415,056.20 is: 8,122,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,243.80 : 10,992,365.70 = 5,415,056.20 : x
  2. Step 2: Convert to fraction form
    7,328,243.80/10,992,365.70 = 5,415,056.20/x
  3. Step 3: Cross multiply
    7,328,243.80x = 10,992,365.70 × 5,415,056.20
  4. Step 4: Simplify right side
    7,328,243.80x = 59,524,278,036,452.34
  5. Step 5: Solve for x
    x = 59,524,278,036,452.34/7,328,243.80
  6. Step 6: Final answer
    x = 8,122,584.30

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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.