Home / 9,969,166.40-14,953,749.60-6,378,987.20

Finding the Fourth Proportional to 9,969,166.40, 14,953,749.60 and 6,378,987.20

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Solution

The fourth proportional to 9,969,166.40, 14,953,749.60 and 6,378,987.20 is: 9,568,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969,166.40 : 14,953,749.60 = 6,378,987.20 : x
  2. Step 2: Convert to fraction form
    9,969,166.40/14,953,749.60 = 6,378,987.20/x
  3. Step 3: Cross multiply
    9,969,166.40x = 14,953,749.60 × 6,378,987.20
  4. Step 4: Simplify right side
    9,969,166.40x = 95,389,777,290,405.12
  5. Step 5: Solve for x
    x = 95,389,777,290,405.12/9,969,166.40
  6. Step 6: Final answer
    x = 9,568,480.80

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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.