Home / 21,811,949.46-30,098,720.32-12,645,182.70

Finding the Fourth Proportional to 21,811,949.46, 30,098,720.32 and 12,645,182.70

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Solution

The fourth proportional to 21,811,949.46, 30,098,720.32 and 12,645,182.70 is: 17,449,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811,949.46 : 30,098,720.32 = 12,645,182.70 : x
  2. Step 2: Convert to fraction form
    21,811,949.46/30,098,720.32 = 12,645,182.70/x
  3. Step 3: Cross multiply
    21,811,949.46x = 30,098,720.32 × 12,645,182.70
  4. Step 4: Simplify right side
    21,811,949.46x = 380,603,817,482,602.44
  5. Step 5: Solve for x
    x = 380,603,817,482,602.44/21,811,949.46
  6. Step 6: Final answer
    x = 17,449,326.03

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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.