Home / 7,102,858.40-10,642,040.40-3,308,559.20

Finding the Fourth Proportional to 7,102,858.40, 10,642,040.40 and 3,308,559.20

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Solution

The fourth proportional to 7,102,858.40, 10,642,040.40 and 3,308,559.20 is: 4,957,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,858.40 : 10,642,040.40 = 3,308,559.20 : x
  2. Step 2: Convert to fraction form
    7,102,858.40/10,642,040.40 = 3,308,559.20/x
  3. Step 3: Cross multiply
    7,102,858.40x = 10,642,040.40 × 3,308,559.20
  4. Step 4: Simplify right side
    7,102,858.40x = 35,209,820,672,191.68
  5. Step 5: Solve for x
    x = 35,209,820,672,191.68/7,102,858.40
  6. Step 6: Final answer
    x = 4,957,133.97

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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.