Home / 30,991,115.80-46,376,448.90-26,991,530.20

Finding the Fourth Proportional to 30,991,115.80, 46,376,448.90 and 26,991,530.20

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Solution

The fourth proportional to 30,991,115.80, 46,376,448.90 and 26,991,530.20 is: 40,391,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,991,115.80 : 46,376,448.90 = 26,991,530.20 : x
  2. Step 2: Convert to fraction form
    30,991,115.80/46,376,448.90 = 26,991,530.20/x
  3. Step 3: Cross multiply
    30,991,115.80x = 46,376,448.90 × 26,991,530.20
  4. Step 4: Simplify right side
    30,991,115.80x = 1,251,771,321,053,106.75
  5. Step 5: Solve for x
    x = 1,251,771,321,053,106.75/30,991,115.80
  6. Step 6: Final answer
    x = 40,391,295.66

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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.