Home / 6,625,287-9,142,808.40-3,685,084.20

Finding the Fourth Proportional to 6,625,287, 9,142,808.40 and 3,685,084.20

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Solution

The fourth proportional to 6,625,287, 9,142,808.40 and 3,685,084.20 is: 5,085,367.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625,287 : 9,142,808.40 = 3,685,084.20 : x
  2. Step 2: Convert to fraction form
    6,625,287/9,142,808.40 = 3,685,084.20/x
  3. Step 3: Cross multiply
    6,625,287x = 9,142,808.40 × 3,685,084.20
  4. Step 4: Simplify right side
    6,625,287x = 33,692,018,778,467.28
  5. Step 5: Solve for x
    x = 33,692,018,778,467.28/6,625,287
  6. Step 6: Final answer
    x = 5,085,367.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.