Home / 15,474,497.80-23,211,746.70-7,821,747.40

Finding the Fourth Proportional to 15,474,497.80, 23,211,746.70 and 7,821,747.40

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Solution

The fourth proportional to 15,474,497.80, 23,211,746.70 and 7,821,747.40 is: 11,732,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,474,497.80 : 23,211,746.70 = 7,821,747.40 : x
  2. Step 2: Convert to fraction form
    15,474,497.80/23,211,746.70 = 7,821,747.40/x
  3. Step 3: Cross multiply
    15,474,497.80x = 23,211,746.70 × 7,821,747.40
  4. Step 4: Simplify right side
    15,474,497.80x = 181,556,419,400,183.59
  5. Step 5: Solve for x
    x = 181,556,419,400,183.59/15,474,497.80
  6. Step 6: Final answer
    x = 11,732,621.10

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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.