Home / 20,197,736.78-30,341,446.86-12,527,051.15

Finding the Fourth Proportional to 20,197,736.78, 30,341,446.86 and 12,527,051.15

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Solution

The fourth proportional to 20,197,736.78, 30,341,446.86 and 12,527,051.15 is: 18,818,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197,736.78 : 30,341,446.86 = 12,527,051.15 : x
  2. Step 2: Convert to fraction form
    20,197,736.78/30,341,446.86 = 12,527,051.15/x
  3. Step 3: Cross multiply
    20,197,736.78x = 30,341,446.86 × 12,527,051.15
  4. Step 4: Simplify right side
    20,197,736.78x = 380,088,856,903,056.94
  5. Step 5: Solve for x
    x = 380,088,856,903,056.94/20,197,736.78
  6. Step 6: Final answer
    x = 18,818,388.47

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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.