Home / 18,321,640.80-27,482,461.20-5,544,117.60

Finding the Fourth Proportional to 18,321,640.80, 27,482,461.20 and 5,544,117.60

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Solution

The fourth proportional to 18,321,640.80, 27,482,461.20 and 5,544,117.60 is: 8,316,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321,640.80 : 27,482,461.20 = 5,544,117.60 : x
  2. Step 2: Convert to fraction form
    18,321,640.80/27,482,461.20 = 5,544,117.60/x
  3. Step 3: Cross multiply
    18,321,640.80x = 27,482,461.20 × 5,544,117.60
  4. Step 4: Simplify right side
    18,321,640.80x = 152,365,996,830,237.09
  5. Step 5: Solve for x
    x = 152,365,996,830,237.09/18,321,640.80
  6. Step 6: Final answer
    x = 8,316,176.40

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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.