Home / 10,780,167.80-16,170,251.70-5,389,650.20

Finding the Fourth Proportional to 10,780,167.80, 16,170,251.70 and 5,389,650.20

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Solution

The fourth proportional to 10,780,167.80, 16,170,251.70 and 5,389,650.20 is: 8,084,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,167.80 : 16,170,251.70 = 5,389,650.20 : x
  2. Step 2: Convert to fraction form
    10,780,167.80/16,170,251.70 = 5,389,650.20/x
  3. Step 3: Cross multiply
    10,780,167.80x = 16,170,251.70 × 5,389,650.20
  4. Step 4: Simplify right side
    10,780,167.80x = 87,152,000,308,955.34
  5. Step 5: Solve for x
    x = 87,152,000,308,955.34/10,780,167.80
  6. Step 6: Final answer
    x = 8,084,475.30

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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.