Home / 45,586,418.40-68,321,566.80-18,629,618.40

Finding the Fourth Proportional to 45,586,418.40, 68,321,566.80 and 18,629,618.40

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Solution

The fourth proportional to 45,586,418.40, 68,321,566.80 and 18,629,618.40 is: 27,920,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,586,418.40 : 68,321,566.80 = 18,629,618.40 : x
  2. Step 2: Convert to fraction form
    45,586,418.40/68,321,566.80 = 18,629,618.40/x
  3. Step 3: Cross multiply
    45,586,418.40x = 68,321,566.80 × 18,629,618.40
  4. Step 4: Simplify right side
    45,586,418.40x = 1,272,804,717,974,109
  5. Step 5: Solve for x
    x = 1,272,804,717,974,109/45,586,418.40
  6. Step 6: Final answer
    x = 27,920,700.13

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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.