Home / 7,221,014.20-10,828,896.90-2,428,859.80

Finding the Fourth Proportional to 7,221,014.20, 10,828,896.90 and 2,428,859.80

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Solution

The fourth proportional to 7,221,014.20, 10,828,896.90 and 2,428,859.80 is: 3,642,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221,014.20 : 10,828,896.90 = 2,428,859.80 : x
  2. Step 2: Convert to fraction form
    7,221,014.20/10,828,896.90 = 2,428,859.80/x
  3. Step 3: Cross multiply
    7,221,014.20x = 10,828,896.90 × 2,428,859.80
  4. Step 4: Simplify right side
    7,221,014.20x = 26,301,872,358,754.62
  5. Step 5: Solve for x
    x = 26,301,872,358,754.62/7,221,014.20
  6. Step 6: Final answer
    x = 3,642,406.96

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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.