Home / 10,298,857.40-15,448,286.10-5,763,894.20

Finding the Fourth Proportional to 10,298,857.40, 15,448,286.10 and 5,763,894.20

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Solution

The fourth proportional to 10,298,857.40, 15,448,286.10 and 5,763,894.20 is: 8,645,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,298,857.40 : 15,448,286.10 = 5,763,894.20 : x
  2. Step 2: Convert to fraction form
    10,298,857.40/15,448,286.10 = 5,763,894.20/x
  3. Step 3: Cross multiply
    10,298,857.40x = 15,448,286.10 × 5,763,894.20
  4. Step 4: Simplify right side
    10,298,857.40x = 89,042,286,651,730.62
  5. Step 5: Solve for x
    x = 89,042,286,651,730.62/10,298,857.40
  6. Step 6: Final answer
    x = 8,645,841.30

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Similar ratio
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1.5x scale

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.