Home / 28,080,311.57-42,120,467.36-6,805,175.57

Finding the Fourth Proportional to 28,080,311.57, 42,120,467.36 and 6,805,175.57

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Solution

The fourth proportional to 28,080,311.57, 42,120,467.36 and 6,805,175.57 is: 10,207,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,311.57 : 42,120,467.36 = 6,805,175.57 : x
  2. Step 2: Convert to fraction form
    28,080,311.57/42,120,467.36 = 6,805,175.57/x
  3. Step 3: Cross multiply
    28,080,311.57x = 42,120,467.36 × 6,805,175.57
  4. Step 4: Simplify right side
    28,080,311.57x = 286,637,175,230,626.19
  5. Step 5: Solve for x
    x = 286,637,175,230,626.19/28,080,311.57
  6. Step 6: Final answer
    x = 10,207,763.35

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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.