Home / 15,605,552.80-23,408,329.20-5,509,194.40

Finding the Fourth Proportional to 15,605,552.80, 23,408,329.20 and 5,509,194.40

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Solution

The fourth proportional to 15,605,552.80, 23,408,329.20 and 5,509,194.40 is: 8,263,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605,552.80 : 23,408,329.20 = 5,509,194.40 : x
  2. Step 2: Convert to fraction form
    15,605,552.80/23,408,329.20 = 5,509,194.40/x
  3. Step 3: Cross multiply
    15,605,552.80x = 23,408,329.20 × 5,509,194.40
  4. Step 4: Simplify right side
    15,605,552.80x = 128,961,036,141,996.48
  5. Step 5: Solve for x
    x = 128,961,036,141,996.48/15,605,552.80
  6. Step 6: Final answer
    x = 8,263,791.60

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Similar ratio
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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.