Home / 9,339,421.80-14,009,132.70-8,079,709.80

Finding the Fourth Proportional to 9,339,421.80, 14,009,132.70 and 8,079,709.80

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Solution

The fourth proportional to 9,339,421.80, 14,009,132.70 and 8,079,709.80 is: 12,119,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339,421.80 : 14,009,132.70 = 8,079,709.80 : x
  2. Step 2: Convert to fraction form
    9,339,421.80/14,009,132.70 = 8,079,709.80/x
  3. Step 3: Cross multiply
    9,339,421.80x = 14,009,132.70 × 8,079,709.80
  4. Step 4: Simplify right side
    9,339,421.80x = 113,189,726,765,690.45
  5. Step 5: Solve for x
    x = 113,189,726,765,690.45/9,339,421.80
  6. Step 6: Final answer
    x = 12,119,564.70

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Double scale
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Similar ratio
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1.5x scale

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.