Home / 12,462,310.20-18,693,465.30-5,370,598.20

Finding the Fourth Proportional to 12,462,310.20, 18,693,465.30 and 5,370,598.20

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Solution

The fourth proportional to 12,462,310.20, 18,693,465.30 and 5,370,598.20 is: 8,055,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,310.20 : 18,693,465.30 = 5,370,598.20 : x
  2. Step 2: Convert to fraction form
    12,462,310.20/18,693,465.30 = 5,370,598.20/x
  3. Step 3: Cross multiply
    12,462,310.20x = 18,693,465.30 × 5,370,598.20
  4. Step 4: Simplify right side
    12,462,310.20x = 100,395,091,091,942.47
  5. Step 5: Solve for x
    x = 100,395,091,091,942.47/12,462,310.20
  6. Step 6: Final answer
    x = 8,055,897.30

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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.