Home / 30,252,065.60-41,751,084.01-18,498,223.06

Finding the Fourth Proportional to 30,252,065.60, 41,751,084.01 and 18,498,223.06

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Solution

The fourth proportional to 30,252,065.60, 41,751,084.01 and 18,498,223.06 is: 25,529,524.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252,065.60 : 41,751,084.01 = 18,498,223.06 : x
  2. Step 2: Convert to fraction form
    30,252,065.60/41,751,084.01 = 18,498,223.06/x
  3. Step 3: Cross multiply
    30,252,065.60x = 41,751,084.01 × 18,498,223.06
  4. Step 4: Simplify right side
    30,252,065.60x = 772,320,864,805,023.75
  5. Step 5: Solve for x
    x = 772,320,864,805,023.75/30,252,065.60
  6. Step 6: Final answer
    x = 25,529,524.99

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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.