Home / 28,458,947.92-39,273,339.81-15,406,197.15

Finding the Fourth Proportional to 28,458,947.92, 39,273,339.81 and 15,406,197.15

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Solution

The fourth proportional to 28,458,947.92, 39,273,339.81 and 15,406,197.15 is: 21,260,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,947.92 : 39,273,339.81 = 15,406,197.15 : x
  2. Step 2: Convert to fraction form
    28,458,947.92/39,273,339.81 = 15,406,197.15/x
  3. Step 3: Cross multiply
    28,458,947.92x = 39,273,339.81 × 15,406,197.15
  4. Step 4: Simplify right side
    28,458,947.92x = 605,052,815,851,803.62
  5. Step 5: Solve for x
    x = 605,052,815,851,803.62/28,458,947.92
  6. Step 6: Final answer
    x = 21,260,547.56

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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.