Home / 21,956,448.02-30,300,078.78-12,167,055.68

Finding the Fourth Proportional to 21,956,448.02, 30,300,078.78 and 12,167,055.68

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Solution

The fourth proportional to 21,956,448.02, 30,300,078.78 and 12,167,055.68 is: 16,790,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,448.02 : 30,300,078.78 = 12,167,055.68 : x
  2. Step 2: Convert to fraction form
    21,956,448.02/30,300,078.78 = 12,167,055.68/x
  3. Step 3: Cross multiply
    21,956,448.02x = 30,300,078.78 × 12,167,055.68
  4. Step 4: Simplify right side
    21,956,448.02x = 368,662,745,681,826.56
  5. Step 5: Solve for x
    x = 368,662,745,681,826.56/21,956,448.02
  6. Step 6: Final answer
    x = 16,790,636.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.