Home / 13,665,814.83-18,859,048.56-8,159,670.84

Finding the Fourth Proportional to 13,665,814.83, 18,859,048.56 and 8,159,670.84

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Solution

The fourth proportional to 13,665,814.83, 18,859,048.56 and 8,159,670.84 is: 11,260,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665,814.83 : 18,859,048.56 = 8,159,670.84 : x
  2. Step 2: Convert to fraction form
    13,665,814.83/18,859,048.56 = 8,159,670.84/x
  3. Step 3: Cross multiply
    13,665,814.83x = 18,859,048.56 × 8,159,670.84
  4. Step 4: Simplify right side
    13,665,814.83x = 153,883,628,605,175.97
  5. Step 5: Solve for x
    x = 153,883,628,605,175.97/13,665,814.83
  6. Step 6: Final answer
    x = 11,260,479.56

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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.