Home / 7,111,387.20-10,667,080.80-1,792,603.20

Finding the Fourth Proportional to 7,111,387.20, 10,667,080.80 and 1,792,603.20

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Solution

The fourth proportional to 7,111,387.20, 10,667,080.80 and 1,792,603.20 is: 2,688,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,387.20 : 10,667,080.80 = 1,792,603.20 : x
  2. Step 2: Convert to fraction form
    7,111,387.20/10,667,080.80 = 1,792,603.20/x
  3. Step 3: Cross multiply
    7,111,387.20x = 10,667,080.80 × 1,792,603.20
  4. Step 4: Simplify right side
    7,111,387.20x = 19,121,843,176,738.56
  5. Step 5: Solve for x
    x = 19,121,843,176,738.56/7,111,387.20
  6. Step 6: Final answer
    x = 2,688,904.80

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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.