Home / 18,813,643.64-28,223,269.68-6,682,087.88

Finding the Fourth Proportional to 18,813,643.64, 28,223,269.68 and 6,682,087.88

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Solution

The fourth proportional to 18,813,643.64, 28,223,269.68 and 6,682,087.88 is: 10,024,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813,643.64 : 28,223,269.68 = 6,682,087.88 : x
  2. Step 2: Convert to fraction form
    18,813,643.64/28,223,269.68 = 6,682,087.88/x
  3. Step 3: Cross multiply
    18,813,643.64x = 28,223,269.68 × 6,682,087.88
  4. Step 4: Simplify right side
    18,813,643.64x = 188,590,368,262,699.47
  5. Step 5: Solve for x
    x = 188,590,368,262,699.47/18,813,643.64
  6. Step 6: Final answer
    x = 10,024,127.80

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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.