Home / 20,349,793.80-30,524,690.70-12,278,533.61

Finding the Fourth Proportional to 20,349,793.80, 30,524,690.70 and 12,278,533.61

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Solution

The fourth proportional to 20,349,793.80, 30,524,690.70 and 12,278,533.61 is: 18,417,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349,793.80 : 30,524,690.70 = 12,278,533.61 : x
  2. Step 2: Convert to fraction form
    20,349,793.80/30,524,690.70 = 12,278,533.61/x
  3. Step 3: Cross multiply
    20,349,793.80x = 30,524,690.70 × 12,278,533.61
  4. Step 4: Simplify right side
    20,349,793.80x = 374,798,440,771,116.19
  5. Step 5: Solve for x
    x = 374,798,440,771,116.19/20,349,793.80
  6. Step 6: Final answer
    x = 18,417,800.42

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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.