Home / 7,482,513.60-11,218,786.56-2,689,580.16

Finding the Fourth Proportional to 7,482,513.60, 11,218,786.56 and 2,689,580.16

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Solution

The fourth proportional to 7,482,513.60, 11,218,786.56 and 2,689,580.16 is: 4,032,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482,513.60 : 11,218,786.56 = 2,689,580.16 : x
  2. Step 2: Convert to fraction form
    7,482,513.60/11,218,786.56 = 2,689,580.16/x
  3. Step 3: Cross multiply
    7,482,513.60x = 11,218,786.56 × 2,689,580.16
  4. Step 4: Simplify right side
    7,482,513.60x = 30,173,825,751,050.65
  5. Step 5: Solve for x
    x = 30,173,825,751,050.65/7,482,513.60
  6. Step 6: Final answer
    x = 4,032,578.80

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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.