Home / 13,286,999.20-19,930,498.80-8,500,093.60

Finding the Fourth Proportional to 13,286,999.20, 19,930,498.80 and 8,500,093.60

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Solution

The fourth proportional to 13,286,999.20, 19,930,498.80 and 8,500,093.60 is: 12,750,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,999.20 : 19,930,498.80 = 8,500,093.60 : x
  2. Step 2: Convert to fraction form
    13,286,999.20/19,930,498.80 = 8,500,093.60/x
  3. Step 3: Cross multiply
    13,286,999.20x = 19,930,498.80 × 8,500,093.60
  4. Step 4: Simplify right side
    13,286,999.20x = 169,411,105,294,687.69
  5. Step 5: Solve for x
    x = 169,411,105,294,687.69/13,286,999.20
  6. Step 6: Final answer
    x = 12,750,140.40

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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.