Home / 17,155,740.87-23,675,194.35-9,315,248.67

Finding the Fourth Proportional to 17,155,740.87, 23,675,194.35 and 9,315,248.67

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Solution

The fourth proportional to 17,155,740.87, 23,675,194.35 and 9,315,248.67 is: 12,855,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,155,740.87 : 23,675,194.35 = 9,315,248.67 : x
  2. Step 2: Convert to fraction form
    17,155,740.87/23,675,194.35 = 9,315,248.67/x
  3. Step 3: Cross multiply
    17,155,740.87x = 23,675,194.35 × 9,315,248.67
  4. Step 4: Simplify right side
    17,155,740.87x = 220,540,322,680,829.03
  5. Step 5: Solve for x
    x = 220,540,322,680,829.03/17,155,740.87
  6. Step 6: Final answer
    x = 12,855,190.83

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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.