Home / 13,500,270.87-18,630,423.17-7,305,317.62

Finding the Fourth Proportional to 13,500,270.87, 18,630,423.17 and 7,305,317.62

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Solution

The fourth proportional to 13,500,270.87, 18,630,423.17 and 7,305,317.62 is: 10,081,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500,270.87 : 18,630,423.17 = 7,305,317.62 : x
  2. Step 2: Convert to fraction form
    13,500,270.87/18,630,423.17 = 7,305,317.62/x
  3. Step 3: Cross multiply
    13,500,270.87x = 18,630,423.17 × 7,305,317.62
  4. Step 4: Simplify right side
    13,500,270.87x = 136,101,158,651,857.27
  5. Step 5: Solve for x
    x = 136,101,158,651,857.27/13,500,270.87
  6. Step 6: Final answer
    x = 10,081,365.03

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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.