Home / 7,987,086.53-11,968,438.66-4,742,234.42

Finding the Fourth Proportional to 7,987,086.53, 11,968,438.66 and 4,742,234.42

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Solution

The fourth proportional to 7,987,086.53, 11,968,438.66 and 4,742,234.42 is: 7,106,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,086.53 : 11,968,438.66 = 4,742,234.42 : x
  2. Step 2: Convert to fraction form
    7,987,086.53/11,968,438.66 = 4,742,234.42/x
  3. Step 3: Cross multiply
    7,987,086.53x = 11,968,438.66 × 4,742,234.42
  4. Step 4: Simplify right side
    7,987,086.53x = 56,757,141,695,412.90
  5. Step 5: Solve for x
    x = 56,757,141,695,412.90/7,987,086.53
  6. Step 6: Final answer
    x = 7,106,113.29

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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.