Home / 7,987,083.90-11,968,434.73-4,742,231.80

Finding the Fourth Proportional to 7,987,083.90, 11,968,434.73 and 4,742,231.80

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Solution

The fourth proportional to 7,987,083.90, 11,968,434.73 and 4,742,231.80 is: 7,106,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,083.90 : 11,968,434.73 = 4,742,231.80 : x
  2. Step 2: Convert to fraction form
    7,987,083.90/11,968,434.73 = 4,742,231.80/x
  3. Step 3: Cross multiply
    7,987,083.90x = 11,968,434.73 × 4,742,231.80
  4. Step 4: Simplify right side
    7,987,083.90x = 56,757,091,724,282.75
  5. Step 5: Solve for x
    x = 56,757,091,724,282.75/7,987,083.90
  6. Step 6: Final answer
    x = 7,106,109.37

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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.