Home / 47,150,909.06-70,726,381.80-21,212,919.56

Finding the Fourth Proportional to 47,150,909.06, 70,726,381.80 and 21,212,919.56

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Solution

The fourth proportional to 47,150,909.06, 70,726,381.80 and 21,212,919.56 is: 31,819,387.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,150,909.06 : 70,726,381.80 = 21,212,919.56 : x
  2. Step 2: Convert to fraction form
    47,150,909.06/70,726,381.80 = 21,212,919.56/x
  3. Step 3: Cross multiply
    47,150,909.06x = 70,726,381.80 × 21,212,919.56
  4. Step 4: Simplify right side
    47,150,909.06x = 1,500,313,047,990,515.50
  5. Step 5: Solve for x
    x = 1,500,313,047,990,515.50/47,150,909.06
  6. Step 6: Final answer
    x = 31,819,387.54

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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.