Home / 19,143,406.46-28,691,161.76-9,561,459.62

Finding the Fourth Proportional to 19,143,406.46, 28,691,161.76 and 9,561,459.62

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Solution

The fourth proportional to 19,143,406.46, 28,691,161.76 and 9,561,459.62 is: 14,330,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143,406.46 : 28,691,161.76 = 9,561,459.62 : x
  2. Step 2: Convert to fraction form
    19,143,406.46/28,691,161.76 = 9,561,459.62/x
  3. Step 3: Cross multiply
    19,143,406.46x = 28,691,161.76 × 9,561,459.62
  4. Step 4: Simplify right side
    19,143,406.46x = 274,329,384,619,128.12
  5. Step 5: Solve for x
    x = 274,329,384,619,128.12/19,143,406.46
  6. Step 6: Final answer
    x = 14,330,228.28

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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.