Home / 20,182,124.70-30,273,187.05-7,398,380.70

Finding the Fourth Proportional to 20,182,124.70, 30,273,187.05 and 7,398,380.70

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Solution

The fourth proportional to 20,182,124.70, 30,273,187.05 and 7,398,380.70 is: 11,097,571.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182,124.70 : 30,273,187.05 = 7,398,380.70 : x
  2. Step 2: Convert to fraction form
    20,182,124.70/30,273,187.05 = 7,398,380.70/x
  3. Step 3: Cross multiply
    20,182,124.70x = 30,273,187.05 × 7,398,380.70
  4. Step 4: Simplify right side
    20,182,124.70x = 223,972,562,798,209.94
  5. Step 5: Solve for x
    x = 223,972,562,798,209.94/20,182,124.70
  6. Step 6: Final answer
    x = 11,097,571.05

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1.5x scale

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.