Home / 10,339,318.68-15,509,561.21-3,151,087.08

Finding the Fourth Proportional to 10,339,318.68, 15,509,561.21 and 3,151,087.08

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Solution

The fourth proportional to 10,339,318.68, 15,509,561.21 and 3,151,087.08 is: 4,726,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339,318.68 : 15,509,561.21 = 3,151,087.08 : x
  2. Step 2: Convert to fraction form
    10,339,318.68/15,509,561.21 = 3,151,087.08/x
  3. Step 3: Cross multiply
    10,339,318.68x = 15,509,561.21 × 3,151,087.08
  4. Step 4: Simplify right side
    10,339,318.68x = 48,871,977,945,300.17
  5. Step 5: Solve for x
    x = 48,871,977,945,300.17/10,339,318.68
  6. Step 6: Final answer
    x = 4,726,808.36

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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.