Home / 10,008,537.31-13,811,801.84-5,424,861.79

Finding the Fourth Proportional to 10,008,537.31, 13,811,801.84 and 5,424,861.79

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Solution

The fourth proportional to 10,008,537.31, 13,811,801.84 and 5,424,861.79 is: 7,486,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008,537.31 : 13,811,801.84 = 5,424,861.79 : x
  2. Step 2: Convert to fraction form
    10,008,537.31/13,811,801.84 = 5,424,861.79/x
  3. Step 3: Cross multiply
    10,008,537.31x = 13,811,801.84 × 5,424,861.79
  4. Step 4: Simplify right side
    10,008,537.31x = 74,927,116,052,867.69
  5. Step 5: Solve for x
    x = 74,927,116,052,867.69/10,008,537.31
  6. Step 6: Final answer
    x = 7,486,320.30

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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.