Home / 15,540,002.40-23,310,003.60-13,020,578.40

Finding the Fourth Proportional to 15,540,002.40, 23,310,003.60 and 13,020,578.40

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Solution

The fourth proportional to 15,540,002.40, 23,310,003.60 and 13,020,578.40 is: 19,530,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540,002.40 : 23,310,003.60 = 13,020,578.40 : x
  2. Step 2: Convert to fraction form
    15,540,002.40/23,310,003.60 = 13,020,578.40/x
  3. Step 3: Cross multiply
    15,540,002.40x = 23,310,003.60 × 13,020,578.40
  4. Step 4: Simplify right side
    15,540,002.40x = 303,509,729,378,082.25
  5. Step 5: Solve for x
    x = 303,509,729,378,082.25/15,540,002.40
  6. Step 6: Final answer
    x = 19,530,867.60

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1.5x scale

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.