Home / 7,339,021.40-11,008,532.10-6,205,280.60

Finding the Fourth Proportional to 7,339,021.40, 11,008,532.10 and 6,205,280.60

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Solution

The fourth proportional to 7,339,021.40, 11,008,532.10 and 6,205,280.60 is: 9,307,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,021.40 : 11,008,532.10 = 6,205,280.60 : x
  2. Step 2: Convert to fraction form
    7,339,021.40/11,008,532.10 = 6,205,280.60/x
  3. Step 3: Cross multiply
    7,339,021.40x = 11,008,532.10 × 6,205,280.60
  4. Step 4: Simplify right side
    7,339,021.40x = 68,311,030,674,607.25
  5. Step 5: Solve for x
    x = 68,311,030,674,607.25/7,339,021.40
  6. Step 6: Final answer
    x = 9,307,920.90

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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.