Home / 28,635,197.67-39,516,579.23-15,758,141.67

Finding the Fourth Proportional to 28,635,197.67, 39,516,579.23 and 15,758,141.67

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Solution

The fourth proportional to 28,635,197.67, 39,516,579.23 and 15,758,141.67 is: 21,746,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,635,197.67 : 39,516,579.23 = 15,758,141.67 : x
  2. Step 2: Convert to fraction form
    28,635,197.67/39,516,579.23 = 15,758,141.67/x
  3. Step 3: Cross multiply
    28,635,197.67x = 39,516,579.23 × 15,758,141.67
  4. Step 4: Simplify right side
    28,635,197.67x = 622,707,853,741,328.88
  5. Step 5: Solve for x
    x = 622,707,853,741,328.88/28,635,197.67
  6. Step 6: Final answer
    x = 21,746,239.05

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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.