Home / 18,376,505.62-27,565,518.40-5,422,656.36

Finding the Fourth Proportional to 18,376,505.62, 27,565,518.40 and 5,422,656.36

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Solution

The fourth proportional to 18,376,505.62, 27,565,518.40 and 5,422,656.36 is: 8,134,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376,505.62 : 27,565,518.40 = 5,422,656.36 : x
  2. Step 2: Convert to fraction form
    18,376,505.62/27,565,518.40 = 5,422,656.36/x
  3. Step 3: Cross multiply
    18,376,505.62x = 27,565,518.40 × 5,422,656.36
  4. Step 4: Simplify right side
    18,376,505.62x = 149,478,333,668,457.03
  5. Step 5: Solve for x
    x = 149,478,333,668,457.03/18,376,505.62
  6. Step 6: Final answer
    x = 8,134,208.80

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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.