Home / 13,410,114.20-20,115,171.30-9,658,971.80

Finding the Fourth Proportional to 13,410,114.20, 20,115,171.30 and 9,658,971.80

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Solution

The fourth proportional to 13,410,114.20, 20,115,171.30 and 9,658,971.80 is: 14,488,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,114.20 : 20,115,171.30 = 9,658,971.80 : x
  2. Step 2: Convert to fraction form
    13,410,114.20/20,115,171.30 = 9,658,971.80/x
  3. Step 3: Cross multiply
    13,410,114.20x = 20,115,171.30 × 9,658,971.80
  4. Step 4: Simplify right side
    13,410,114.20x = 194,291,872,338,869.38
  5. Step 5: Solve for x
    x = 194,291,872,338,869.38/13,410,114.20
  6. Step 6: Final answer
    x = 14,488,457.70

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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.