Home / 28,385,614.56-39,172,163.16-15,332,873.22

Finding the Fourth Proportional to 28,385,614.56, 39,172,163.16 and 15,332,873.22

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Solution

The fourth proportional to 28,385,614.56, 39,172,163.16 and 15,332,873.22 is: 21,159,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,385,614.56 : 39,172,163.16 = 15,332,873.22 : x
  2. Step 2: Convert to fraction form
    28,385,614.56/39,172,163.16 = 15,332,873.22/x
  3. Step 3: Cross multiply
    28,385,614.56x = 39,172,163.16 × 15,332,873.22
  4. Step 4: Simplify right side
    28,385,614.56x = 600,621,811,485,434.50
  5. Step 5: Solve for x
    x = 600,621,811,485,434.50/28,385,614.56
  6. Step 6: Final answer
    x = 21,159,373.18

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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.