Home / 12,121,923.97-18,182,443.08-3,602,039.01

Finding the Fourth Proportional to 12,121,923.97, 18,182,443.08 and 3,602,039.01

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Solution

The fourth proportional to 12,121,923.97, 18,182,443.08 and 3,602,039.01 is: 5,402,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,121,923.97 : 18,182,443.08 = 3,602,039.01 : x
  2. Step 2: Convert to fraction form
    12,121,923.97/18,182,443.08 = 3,602,039.01/x
  3. Step 3: Cross multiply
    12,121,923.97x = 18,182,443.08 × 3,602,039.01
  4. Step 4: Simplify right side
    12,121,923.97x = 65,493,869,216,588.03
  5. Step 5: Solve for x
    x = 65,493,869,216,588.03/12,121,923.97
  6. Step 6: Final answer
    x = 5,402,926.91

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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.