Home / 20,215,441.80-30,302,495.55-9,964,535.40

Finding the Fourth Proportional to 20,215,441.80, 30,302,495.55 and 9,964,535.40

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Solution

The fourth proportional to 20,215,441.80, 30,302,495.55 and 9,964,535.40 is: 14,936,615.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,441.80 : 30,302,495.55 = 9,964,535.40 : x
  2. Step 2: Convert to fraction form
    20,215,441.80/30,302,495.55 = 9,964,535.40/x
  3. Step 3: Cross multiply
    20,215,441.80x = 30,302,495.55 × 9,964,535.40
  4. Step 4: Simplify right side
    20,215,441.80x = 301,950,289,616,317.50
  5. Step 5: Solve for x
    x = 301,950,289,616,317.50/20,215,441.80
  6. Step 6: Final answer
    x = 14,936,615.91

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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.