Home / 7,338,021.40-10,984,913.70-6,453,285.40

Finding the Fourth Proportional to 7,338,021.40, 10,984,913.70 and 6,453,285.40

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Solution

The fourth proportional to 7,338,021.40, 10,984,913.70 and 6,453,285.40 is: 9,660,476.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,021.40 : 10,984,913.70 = 6,453,285.40 : x
  2. Step 2: Convert to fraction form
    7,338,021.40/10,984,913.70 = 6,453,285.40/x
  3. Step 3: Cross multiply
    7,338,021.40x = 10,984,913.70 × 6,453,285.40
  4. Step 4: Simplify right side
    7,338,021.40x = 70,888,783,200,469.98
  5. Step 5: Solve for x
    x = 70,888,783,200,469.98/7,338,021.40
  6. Step 6: Final answer
    x = 9,660,476.49

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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.