Home / 20,941,533.94-31,412,067.61-8,171,009.14

Finding the Fourth Proportional to 20,941,533.94, 31,412,067.61 and 8,171,009.14

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Solution

The fourth proportional to 20,941,533.94, 31,412,067.61 and 8,171,009.14 is: 12,256,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941,533.94 : 31,412,067.61 = 8,171,009.14 : x
  2. Step 2: Convert to fraction form
    20,941,533.94/31,412,067.61 = 8,171,009.14/x
  3. Step 3: Cross multiply
    20,941,533.94x = 31,412,067.61 × 8,171,009.14
  4. Step 4: Simplify right side
    20,941,533.94x = 256,668,291,547,607.94
  5. Step 5: Solve for x
    x = 256,668,291,547,607.94/20,941,533.94
  6. Step 6: Final answer
    x = 12,256,422.68

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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.