Home / 5,255,782.70-7,883,674.05-5,167,209.20

Finding the Fourth Proportional to 5,255,782.70, 7,883,674.05 and 5,167,209.20

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Solution

The fourth proportional to 5,255,782.70, 7,883,674.05 and 5,167,209.20 is: 7,750,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255,782.70 : 7,883,674.05 = 5,167,209.20 : x
  2. Step 2: Convert to fraction form
    5,255,782.70/7,883,674.05 = 5,167,209.20/x
  3. Step 3: Cross multiply
    5,255,782.70x = 7,883,674.05 × 5,167,209.20
  4. Step 4: Simplify right side
    5,255,782.70x = 40,736,593,080,961.26
  5. Step 5: Solve for x
    x = 40,736,593,080,961.26/5,255,782.70
  6. Step 6: Final answer
    x = 7,750,813.80

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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.