Home / 28,410,679.76-42,616,813.63-9,241,436.88

Finding the Fourth Proportional to 28,410,679.76, 42,616,813.63 and 9,241,436.88

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Solution

The fourth proportional to 28,410,679.76, 42,616,813.63 and 9,241,436.88 is: 13,862,413.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410,679.76 : 42,616,813.63 = 9,241,436.88 : x
  2. Step 2: Convert to fraction form
    28,410,679.76/42,616,813.63 = 9,241,436.88/x
  3. Step 3: Cross multiply
    28,410,679.76x = 42,616,813.63 × 9,241,436.88
  4. Step 4: Simplify right side
    28,410,679.76x = 393,840,593,165,265.12
  5. Step 5: Solve for x
    x = 393,840,593,165,265.12/28,410,679.76
  6. Step 6: Final answer
    x = 13,862,413.59

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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.