Home / 18,362,495.40-27,543,743.10-5,582,979.60

Finding the Fourth Proportional to 18,362,495.40, 27,543,743.10 and 5,582,979.60

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Solution

The fourth proportional to 18,362,495.40, 27,543,743.10 and 5,582,979.60 is: 8,374,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362,495.40 : 27,543,743.10 = 5,582,979.60 : x
  2. Step 2: Convert to fraction form
    18,362,495.40/27,543,743.10 = 5,582,979.60/x
  3. Step 3: Cross multiply
    18,362,495.40x = 27,543,743.10 × 5,582,979.60
  4. Step 4: Simplify right side
    18,362,495.40x = 153,776,155,834,940.75
  5. Step 5: Solve for x
    x = 153,776,155,834,940.75/18,362,495.40
  6. Step 6: Final answer
    x = 8,374,469.40

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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.