Home / 18,402,661.80-27,603,992.70-4,940,850.60

Finding the Fourth Proportional to 18,402,661.80, 27,603,992.70 and 4,940,850.60

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Solution

The fourth proportional to 18,402,661.80, 27,603,992.70 and 4,940,850.60 is: 7,411,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402,661.80 : 27,603,992.70 = 4,940,850.60 : x
  2. Step 2: Convert to fraction form
    18,402,661.80/27,603,992.70 = 4,940,850.60/x
  3. Step 3: Cross multiply
    18,402,661.80x = 27,603,992.70 × 4,940,850.60
  4. Step 4: Simplify right side
    18,402,661.80x = 136,387,203,894,190.61
  5. Step 5: Solve for x
    x = 136,387,203,894,190.61/18,402,661.80
  6. Step 6: Final answer
    x = 7,411,275.90

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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.