Home / 21,818,102.04-30,109,436.46-12,028,958.82

Finding the Fourth Proportional to 21,818,102.04, 30,109,436.46 and 12,028,958.82

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Solution

The fourth proportional to 21,818,102.04, 30,109,436.46 and 12,028,958.82 is: 16,600,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818,102.04 : 30,109,436.46 = 12,028,958.82 : x
  2. Step 2: Convert to fraction form
    21,818,102.04/30,109,436.46 = 12,028,958.82/x
  3. Step 3: Cross multiply
    21,818,102.04x = 30,109,436.46 × 12,028,958.82
  4. Step 4: Simplify right side
    21,818,102.04x = 362,185,171,270,746.62
  5. Step 5: Solve for x
    x = 362,185,171,270,746.62/21,818,102.04
  6. Step 6: Final answer
    x = 16,600,214.38

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1.5x scale

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.