Home / 7,987,750.65-11,969,432.69-4,742,898.30

Finding the Fourth Proportional to 7,987,750.65, 11,969,432.69 and 4,742,898.30

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Solution

The fourth proportional to 7,987,750.65, 11,969,432.69 and 4,742,898.30 is: 7,107,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,750.65 : 11,969,432.69 = 4,742,898.30 : x
  2. Step 2: Convert to fraction form
    7,987,750.65/11,969,432.69 = 4,742,898.30/x
  3. Step 3: Cross multiply
    7,987,750.65x = 11,969,432.69 × 4,742,898.30
  4. Step 4: Simplify right side
    7,987,750.65x = 56,769,801,933,650.94
  5. Step 5: Solve for x
    x = 56,769,801,933,650.94/7,987,750.65
  6. Step 6: Final answer
    x = 7,107,107.42

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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.