Home / 20,864,741.40-31,255,121.70-14,482,200.60

Finding the Fourth Proportional to 20,864,741.40, 31,255,121.70 and 14,482,200.60

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Solution

The fourth proportional to 20,864,741.40, 31,255,121.70 and 14,482,200.60 is: 21,694,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,741.40 : 31,255,121.70 = 14,482,200.60 : x
  2. Step 2: Convert to fraction form
    20,864,741.40/31,255,121.70 = 14,482,200.60/x
  3. Step 3: Cross multiply
    20,864,741.40x = 31,255,121.70 × 14,482,200.60
  4. Step 4: Simplify right side
    20,864,741.40x = 452,642,942,236,813
  5. Step 5: Solve for x
    x = 452,642,942,236,813/20,864,741.40
  6. Step 6: Final answer
    x = 21,694,155.40

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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.