Home / 7,338,412.80-11,007,619.20-3,937,190.40

Finding the Fourth Proportional to 7,338,412.80, 11,007,619.20 and 3,937,190.40

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Solution

The fourth proportional to 7,338,412.80, 11,007,619.20 and 3,937,190.40 is: 5,905,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,412.80 : 11,007,619.20 = 3,937,190.40 : x
  2. Step 2: Convert to fraction form
    7,338,412.80/11,007,619.20 = 3,937,190.40/x
  3. Step 3: Cross multiply
    7,338,412.80x = 11,007,619.20 × 3,937,190.40
  4. Step 4: Simplify right side
    7,338,412.80x = 43,339,092,641,095.68
  5. Step 5: Solve for x
    x = 43,339,092,641,095.68/7,338,412.80
  6. Step 6: Final answer
    x = 5,905,785.60

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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.