Home / 7,816,998.40-11,716,166.40-4,028,531.20

Finding the Fourth Proportional to 7,816,998.40, 11,716,166.40 and 4,028,531.20

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Solution

The fourth proportional to 7,816,998.40, 11,716,166.40 and 4,028,531.20 is: 6,037,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816,998.40 : 11,716,166.40 = 4,028,531.20 : x
  2. Step 2: Convert to fraction form
    7,816,998.40/11,716,166.40 = 4,028,531.20/x
  3. Step 3: Cross multiply
    7,816,998.40x = 11,716,166.40 × 4,028,531.20
  4. Step 4: Simplify right side
    7,816,998.40x = 47,198,941,886,791.69
  5. Step 5: Solve for x
    x = 47,198,941,886,791.69/7,816,998.40
  6. Step 6: Final answer
    x = 6,037,987.92

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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.