Home / 10,521,115.96-15,782,464.50-3,333,214.84

Finding the Fourth Proportional to 10,521,115.96, 15,782,464.50 and 3,333,214.84

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Solution

The fourth proportional to 10,521,115.96, 15,782,464.50 and 3,333,214.84 is: 5,000,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521,115.96 : 15,782,464.50 = 3,333,214.84 : x
  2. Step 2: Convert to fraction form
    10,521,115.96/15,782,464.50 = 3,333,214.84/x
  3. Step 3: Cross multiply
    10,521,115.96x = 15,782,464.50 × 3,333,214.84
  4. Step 4: Simplify right side
    10,521,115.96x = 52,606,344,883,173.18
  5. Step 5: Solve for x
    x = 52,606,344,883,173.18/10,521,115.96
  6. Step 6: Final answer
    x = 5,000,072.72

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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.