Home / 7,726,467.60-11,589,701.40-4,889,782.80

Finding the Fourth Proportional to 7,726,467.60, 11,589,701.40 and 4,889,782.80

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Solution

The fourth proportional to 7,726,467.60, 11,589,701.40 and 4,889,782.80 is: 7,334,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726,467.60 : 11,589,701.40 = 4,889,782.80 : x
  2. Step 2: Convert to fraction form
    7,726,467.60/11,589,701.40 = 4,889,782.80/x
  3. Step 3: Cross multiply
    7,726,467.60x = 11,589,701.40 × 4,889,782.80
  4. Step 4: Simplify right side
    7,726,467.60x = 56,671,122,562,855.92
  5. Step 5: Solve for x
    x = 56,671,122,562,855.92/7,726,467.60
  6. Step 6: Final answer
    x = 7,334,674.20

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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.