Home / 21,856,016.80-32,774,194.80-8,388,368.80

Finding the Fourth Proportional to 21,856,016.80, 32,774,194.80 and 8,388,368.80

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Solution

The fourth proportional to 21,856,016.80, 32,774,194.80 and 8,388,368.80 is: 12,578,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,016.80 : 32,774,194.80 = 8,388,368.80 : x
  2. Step 2: Convert to fraction form
    21,856,016.80/32,774,194.80 = 8,388,368.80/x
  3. Step 3: Cross multiply
    21,856,016.80x = 32,774,194.80 × 8,388,368.80
  4. Step 4: Simplify right side
    21,856,016.80x = 274,922,033,105,442.25
  5. Step 5: Solve for x
    x = 274,922,033,105,442.25/21,856,016.80
  6. Step 6: Final answer
    x = 12,578,780.28

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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.