Home / 18,872,626.98-28,308,892.80-5,225,727.81

Finding the Fourth Proportional to 18,872,626.98, 28,308,892.80 and 5,225,727.81

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Solution

The fourth proportional to 18,872,626.98, 28,308,892.80 and 5,225,727.81 is: 7,838,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872,626.98 : 28,308,892.80 = 5,225,727.81 : x
  2. Step 2: Convert to fraction form
    18,872,626.98/28,308,892.80 = 5,225,727.81/x
  3. Step 3: Cross multiply
    18,872,626.98x = 28,308,892.80 × 5,225,727.81
  4. Step 4: Simplify right side
    18,872,626.98x = 147,934,568,375,268.75
  5. Step 5: Solve for x
    x = 147,934,568,375,268.75/18,872,626.98
  6. Step 6: Final answer
    x = 7,838,578.52

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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.