Home / 7,987,747.77-11,969,428.37-4,742,895.41

Finding the Fourth Proportional to 7,987,747.77, 11,969,428.37 and 4,742,895.41

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Solution

The fourth proportional to 7,987,747.77, 11,969,428.37 and 4,742,895.41 is: 7,107,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,747.77 : 11,969,428.37 = 4,742,895.41 : x
  2. Step 2: Convert to fraction form
    7,987,747.77/11,969,428.37 = 4,742,895.41/x
  3. Step 3: Cross multiply
    7,987,747.77x = 11,969,428.37 × 4,742,895.41
  4. Step 4: Simplify right side
    7,987,747.77x = 56,769,746,918,385.57
  5. Step 5: Solve for x
    x = 56,769,746,918,385.57/7,987,747.77
  6. Step 6: Final answer
    x = 7,107,103.10

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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.