Home / 10,205,999.70-15,308,999.55-9,196,261.80

Finding the Fourth Proportional to 10,205,999.70, 15,308,999.55 and 9,196,261.80

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Solution

The fourth proportional to 10,205,999.70, 15,308,999.55 and 9,196,261.80 is: 13,794,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205,999.70 : 15,308,999.55 = 9,196,261.80 : x
  2. Step 2: Convert to fraction form
    10,205,999.70/15,308,999.55 = 9,196,261.80/x
  3. Step 3: Cross multiply
    10,205,999.70x = 15,308,999.55 × 9,196,261.80
  4. Step 4: Simplify right side
    10,205,999.70x = 140,785,567,757,882.22
  5. Step 5: Solve for x
    x = 140,785,567,757,882.22/10,205,999.70
  6. Step 6: Final answer
    x = 13,794,392.70

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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.