Home / 28,265,328.60-42,397,992.90-10,090,046.40

Finding the Fourth Proportional to 28,265,328.60, 42,397,992.90 and 10,090,046.40

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Solution

The fourth proportional to 28,265,328.60, 42,397,992.90 and 10,090,046.40 is: 15,135,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265,328.60 : 42,397,992.90 = 10,090,046.40 : x
  2. Step 2: Convert to fraction form
    28,265,328.60/42,397,992.90 = 10,090,046.40/x
  3. Step 3: Cross multiply
    28,265,328.60x = 42,397,992.90 × 10,090,046.40
  4. Step 4: Simplify right side
    28,265,328.60x = 427,797,715,627,870.56
  5. Step 5: Solve for x
    x = 427,797,715,627,870.56/28,265,328.60
  6. Step 6: Final answer
    x = 15,135,069.60

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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.