Home / 12,987,499.23-19,484,280.57-3,765,664.62

Finding the Fourth Proportional to 12,987,499.23, 19,484,280.57 and 3,765,664.62

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Solution

The fourth proportional to 12,987,499.23, 19,484,280.57 and 3,765,664.62 is: 5,649,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,987,499.23 : 19,484,280.57 = 3,765,664.62 : x
  2. Step 2: Convert to fraction form
    12,987,499.23/19,484,280.57 = 3,765,664.62/x
  3. Step 3: Cross multiply
    12,987,499.23x = 19,484,280.57 × 3,765,664.62
  4. Step 4: Simplify right side
    12,987,499.23x = 73,371,265,988,602.44
  5. Step 5: Solve for x
    x = 73,371,265,988,602.44/12,987,499.23
  6. Step 6: Final answer
    x = 5,649,375.96

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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.