Home / 21,054,451.21-31,584,689.44-6,482,603.66

Finding the Fourth Proportional to 21,054,451.21, 31,584,689.44 and 6,482,603.66

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Solution

The fourth proportional to 21,054,451.21, 31,584,689.44 and 6,482,603.66 is: 9,724,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,451.21 : 31,584,689.44 = 6,482,603.66 : x
  2. Step 2: Convert to fraction form
    21,054,451.21/31,584,689.44 = 6,482,603.66/x
  3. Step 3: Cross multiply
    21,054,451.21x = 31,584,689.44 × 6,482,603.66
  4. Step 4: Simplify right side
    21,054,451.21x = 204,751,023,221,990.41
  5. Step 5: Solve for x
    x = 204,751,023,221,990.41/21,054,451.21
  6. Step 6: Final answer
    x = 9,724,833.06

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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.