Home / 20,736,132.90-31,104,199.35-20,736,132.90

Finding the Fourth Proportional to 20,736,132.90, 31,104,199.35 and 20,736,132.90

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Solution

The fourth proportional to 20,736,132.90, 31,104,199.35 and 20,736,132.90 is: 31,104,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,132.90 : 31,104,199.35 = 20,736,132.90 : x
  2. Step 2: Convert to fraction form
    20,736,132.90/31,104,199.35 = 20,736,132.90/x
  3. Step 3: Cross multiply
    20,736,132.90x = 31,104,199.35 × 20,736,132.90
  4. Step 4: Simplify right side
    20,736,132.90x = 644,980,811,469,693.62
  5. Step 5: Solve for x
    x = 644,980,811,469,693.62/20,736,132.90
  6. Step 6: Final answer
    x = 31,104,199.35

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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.