Home / 12,480,642.66-18,687,322.16-8,151,973.71

Finding the Fourth Proportional to 12,480,642.66, 18,687,322.16 and 8,151,973.71

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Solution

The fourth proportional to 12,480,642.66, 18,687,322.16 and 8,151,973.71 is: 12,205,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,642.66 : 18,687,322.16 = 8,151,973.71 : x
  2. Step 2: Convert to fraction form
    12,480,642.66/18,687,322.16 = 8,151,973.71/x
  3. Step 3: Cross multiply
    12,480,642.66x = 18,687,322.16 × 8,151,973.71
  4. Step 4: Simplify right side
    12,480,642.66x = 152,338,558,958,620.41
  5. Step 5: Solve for x
    x = 152,338,558,958,620.41/12,480,642.66
  6. Step 6: Final answer
    x = 12,205,986.75

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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.