Home / 20,179,461.70-30,348,908.70-18,106,841.80

Finding the Fourth Proportional to 20,179,461.70, 30,348,908.70 and 18,106,841.80

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Solution

The fourth proportional to 20,179,461.70, 30,348,908.70 and 18,106,841.80 is: 27,231,791.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179,461.70 : 30,348,908.70 = 18,106,841.80 : x
  2. Step 2: Convert to fraction form
    20,179,461.70/30,348,908.70 = 18,106,841.80/x
  3. Step 3: Cross multiply
    20,179,461.70x = 30,348,908.70 × 18,106,841.80
  4. Step 4: Simplify right side
    20,179,461.70x = 549,522,888,633,543.69
  5. Step 5: Solve for x
    x = 549,522,888,633,543.69/20,179,461.70
  6. Step 6: Final answer
    x = 27,231,791.25

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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.