Home / 10,215,234.45-14,097,119.73-5,631,719.85

Finding the Fourth Proportional to 10,215,234.45, 14,097,119.73 and 5,631,719.85

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Solution

The fourth proportional to 10,215,234.45, 14,097,119.73 and 5,631,719.85 is: 7,771,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,234.45 : 14,097,119.73 = 5,631,719.85 : x
  2. Step 2: Convert to fraction form
    10,215,234.45/14,097,119.73 = 5,631,719.85/x
  3. Step 3: Cross multiply
    10,215,234.45x = 14,097,119.73 × 5,631,719.85
  4. Step 4: Simplify right side
    10,215,234.45x = 79,391,029,011,267.64
  5. Step 5: Solve for x
    x = 79,391,029,011,267.64/10,215,234.45
  6. Step 6: Final answer
    x = 7,771,826.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.