Home / 12,643,808.16-18,954,087.12-4,554,805.62

Finding the Fourth Proportional to 12,643,808.16, 18,954,087.12 and 4,554,805.62

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Solution

The fourth proportional to 12,643,808.16, 18,954,087.12 and 4,554,805.62 is: 6,828,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,808.16 : 18,954,087.12 = 4,554,805.62 : x
  2. Step 2: Convert to fraction form
    12,643,808.16/18,954,087.12 = 4,554,805.62/x
  3. Step 3: Cross multiply
    12,643,808.16x = 18,954,087.12 × 4,554,805.62
  4. Step 4: Simplify right side
    12,643,808.16x = 86,332,182,536,145.62
  5. Step 5: Solve for x
    x = 86,332,182,536,145.62/12,643,808.16
  6. Step 6: Final answer
    x = 6,828,020.60

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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.