Home / 11,879,020.17-17,817,939.36-6,498,180.45

Finding the Fourth Proportional to 11,879,020.17, 17,817,939.36 and 6,498,180.45

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Solution

The fourth proportional to 11,879,020.17, 17,817,939.36 and 6,498,180.45 is: 9,746,947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879,020.17 : 17,817,939.36 = 6,498,180.45 : x
  2. Step 2: Convert to fraction form
    11,879,020.17/17,817,939.36 = 6,498,180.45/x
  3. Step 3: Cross multiply
    11,879,020.17x = 17,817,939.36 × 6,498,180.45
  4. Step 4: Simplify right side
    11,879,020.17x = 115,784,185,208,437.52
  5. Step 5: Solve for x
    x = 115,784,185,208,437.52/11,879,020.17
  6. Step 6: Final answer
    x = 9,746,947.44

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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.