Home / 28,458,948.42-39,273,340.50-15,406,197.65

Finding the Fourth Proportional to 28,458,948.42, 39,273,340.50 and 15,406,197.65

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Solution

The fourth proportional to 28,458,948.42, 39,273,340.50 and 15,406,197.65 is: 21,260,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,948.42 : 39,273,340.50 = 15,406,197.65 : x
  2. Step 2: Convert to fraction form
    28,458,948.42/39,273,340.50 = 15,406,197.65/x
  3. Step 3: Cross multiply
    28,458,948.42x = 39,273,340.50 × 15,406,197.65
  4. Step 4: Simplify right side
    28,458,948.42x = 605,052,846,118,749.88
  5. Step 5: Solve for x
    x = 605,052,846,118,749.88/28,458,948.42
  6. Step 6: Final answer
    x = 21,260,548.25

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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.