Home / 20,215,383.80-30,302,408.55-9,964,477.40

Finding the Fourth Proportional to 20,215,383.80, 30,302,408.55 and 9,964,477.40

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Solution

The fourth proportional to 20,215,383.80, 30,302,408.55 and 9,964,477.40 is: 14,936,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,383.80 : 30,302,408.55 = 9,964,477.40 : x
  2. Step 2: Convert to fraction form
    20,215,383.80/30,302,408.55 = 9,964,477.40/x
  3. Step 3: Cross multiply
    20,215,383.80x = 30,302,408.55 × 9,964,477.40
  4. Step 4: Simplify right side
    20,215,383.80x = 301,947,665,162,041.81
  5. Step 5: Solve for x
    x = 301,947,665,162,041.81/20,215,383.80
  6. Step 6: Final answer
    x = 14,936,528.94

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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.