Home / 20,033,518.61-27,645,984.36-11,212,967.25

Finding the Fourth Proportional to 20,033,518.61, 27,645,984.36 and 11,212,967.25

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Solution

The fourth proportional to 20,033,518.61, 27,645,984.36 and 11,212,967.25 is: 15,473,742.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033,518.61 : 27,645,984.36 = 11,212,967.25 : x
  2. Step 2: Convert to fraction form
    20,033,518.61/27,645,984.36 = 11,212,967.25/x
  3. Step 3: Cross multiply
    20,033,518.61x = 27,645,984.36 × 11,212,967.25
  4. Step 4: Simplify right side
    20,033,518.61x = 309,993,517,222,692.19
  5. Step 5: Solve for x
    x = 309,993,517,222,692.19/20,033,518.61
  6. Step 6: Final answer
    x = 15,473,742.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.