Home / 7,987,085.90-11,968,437.73-4,742,233.80

Finding the Fourth Proportional to 7,987,085.90, 11,968,437.73 and 4,742,233.80

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Solution

The fourth proportional to 7,987,085.90, 11,968,437.73 and 4,742,233.80 is: 7,106,112.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,085.90 : 11,968,437.73 = 4,742,233.80 : x
  2. Step 2: Convert to fraction form
    7,987,085.90/11,968,437.73 = 4,742,233.80/x
  3. Step 3: Cross multiply
    7,987,085.90x = 11,968,437.73 × 4,742,233.80
  4. Step 4: Simplify right side
    7,987,085.90x = 56,757,129,936,401.27
  5. Step 5: Solve for x
    x = 56,757,129,936,401.27/7,987,085.90
  6. Step 6: Final answer
    x = 7,106,112.37

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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.