Home / 9,172,379.80-13,759,881.90-2,783,132.20

Finding the Fourth Proportional to 9,172,379.80, 13,759,881.90 and 2,783,132.20

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Solution

The fourth proportional to 9,172,379.80, 13,759,881.90 and 2,783,132.20 is: 4,175,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,379.80 : 13,759,881.90 = 2,783,132.20 : x
  2. Step 2: Convert to fraction form
    9,172,379.80/13,759,881.90 = 2,783,132.20/x
  3. Step 3: Cross multiply
    9,172,379.80x = 13,759,881.90 × 2,783,132.20
  4. Step 4: Simplify right side
    9,172,379.80x = 38,295,570,384,087.19
  5. Step 5: Solve for x
    x = 38,295,570,384,087.19/9,172,379.80
  6. Step 6: Final answer
    x = 4,175,096.45

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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.