Home / 7,000,858.40-10,501,287.60-5,300,247.20

Finding the Fourth Proportional to 7,000,858.40, 10,501,287.60 and 5,300,247.20

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Solution

The fourth proportional to 7,000,858.40, 10,501,287.60 and 5,300,247.20 is: 7,950,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000,858.40 : 10,501,287.60 = 5,300,247.20 : x
  2. Step 2: Convert to fraction form
    7,000,858.40/10,501,287.60 = 5,300,247.20/x
  3. Step 3: Cross multiply
    7,000,858.40x = 10,501,287.60 × 5,300,247.20
  4. Step 4: Simplify right side
    7,000,858.40x = 55,659,420,198,294.72
  5. Step 5: Solve for x
    x = 55,659,420,198,294.72/7,000,858.40
  6. Step 6: Final answer
    x = 7,950,370.80

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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.