Home / 11,191,119.80-16,786,679.70-7,789,897.40

Finding the Fourth Proportional to 11,191,119.80, 16,786,679.70 and 7,789,897.40

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Solution

The fourth proportional to 11,191,119.80, 16,786,679.70 and 7,789,897.40 is: 11,684,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191,119.80 : 16,786,679.70 = 7,789,897.40 : x
  2. Step 2: Convert to fraction form
    11,191,119.80/16,786,679.70 = 7,789,897.40/x
  3. Step 3: Cross multiply
    11,191,119.80x = 16,786,679.70 × 7,789,897.40
  4. Step 4: Simplify right side
    11,191,119.80x = 130,766,512,549,662.78
  5. Step 5: Solve for x
    x = 130,766,512,549,662.78/11,191,119.80
  6. Step 6: Final answer
    x = 11,684,846.10

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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.