Home / 11,240,145.70-16,860,218.55-6,120,597.40

Finding the Fourth Proportional to 11,240,145.70, 16,860,218.55 and 6,120,597.40

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Solution

The fourth proportional to 11,240,145.70, 16,860,218.55 and 6,120,597.40 is: 9,180,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240,145.70 : 16,860,218.55 = 6,120,597.40 : x
  2. Step 2: Convert to fraction form
    11,240,145.70/16,860,218.55 = 6,120,597.40/x
  3. Step 3: Cross multiply
    11,240,145.70x = 16,860,218.55 × 6,120,597.40
  4. Step 4: Simplify right side
    11,240,145.70x = 103,194,609,820,561.78
  5. Step 5: Solve for x
    x = 103,194,609,820,561.78/11,240,145.70
  6. Step 6: Final answer
    x = 9,180,896.10

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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.