Home / 20,193,208.58-30,299,271.64-9,952,485.78

Finding the Fourth Proportional to 20,193,208.58, 30,299,271.64 and 9,952,485.78

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Solution

The fourth proportional to 20,193,208.58, 30,299,271.64 and 9,952,485.78 is: 14,933,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193,208.58 : 30,299,271.64 = 9,952,485.78 : x
  2. Step 2: Convert to fraction form
    20,193,208.58/30,299,271.64 = 9,952,485.78/x
  3. Step 3: Cross multiply
    20,193,208.58x = 30,299,271.64 × 9,952,485.78
  4. Step 4: Simplify right side
    20,193,208.58x = 301,553,070,141,457.25
  5. Step 5: Solve for x
    x = 301,553,070,141,457.25/20,193,208.58
  6. Step 6: Final answer
    x = 14,933,390.55

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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.