Home / 14,343,981.66-19,794,188.23-7,817,481.59

Finding the Fourth Proportional to 14,343,981.66, 19,794,188.23 and 7,817,481.59

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Solution

The fourth proportional to 14,343,981.66, 19,794,188.23 and 7,817,481.59 is: 10,787,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343,981.66 : 19,794,188.23 = 7,817,481.59 : x
  2. Step 2: Convert to fraction form
    14,343,981.66/19,794,188.23 = 7,817,481.59/x
  3. Step 3: Cross multiply
    14,343,981.66x = 19,794,188.23 × 7,817,481.59
  4. Step 4: Simplify right side
    14,343,981.66x = 154,740,701,958,505.03
  5. Step 5: Solve for x
    x = 154,740,701,958,505.03/14,343,981.66
  6. Step 6: Final answer
    x = 10,787,848.56

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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.