Home / 10,939,986.20-16,386,359.70-9,050,418.20

Finding the Fourth Proportional to 10,939,986.20, 16,386,359.70 and 9,050,418.20

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Solution

The fourth proportional to 10,939,986.20, 16,386,359.70 and 9,050,418.20 is: 13,556,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939,986.20 : 16,386,359.70 = 9,050,418.20 : x
  2. Step 2: Convert to fraction form
    10,939,986.20/16,386,359.70 = 9,050,418.20/x
  3. Step 3: Cross multiply
    10,939,986.20x = 16,386,359.70 × 9,050,418.20
  4. Step 4: Simplify right side
    10,939,986.20x = 148,303,408,060,626.53
  5. Step 5: Solve for x
    x = 148,303,408,060,626.53/10,939,986.20
  6. Step 6: Final answer
    x = 13,556,087.31

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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.