Home / 18,057,498.30-27,069,680.93-7,815,908.54

Finding the Fourth Proportional to 18,057,498.30, 27,069,680.93 and 7,815,908.54

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Solution

The fourth proportional to 18,057,498.30, 27,069,680.93 and 7,815,908.54 is: 11,716,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057,498.30 : 27,069,680.93 = 7,815,908.54 : x
  2. Step 2: Convert to fraction form
    18,057,498.30/27,069,680.93 = 7,815,908.54/x
  3. Step 3: Cross multiply
    18,057,498.30x = 27,069,680.93 × 7,815,908.54
  4. Step 4: Simplify right side
    18,057,498.30x = 211,574,150,355,862.16
  5. Step 5: Solve for x
    x = 211,574,150,355,862.16/18,057,498.30
  6. Step 6: Final answer
    x = 11,716,692.25

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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.