Home / 12,485,514.60-18,696,779.10-9,966,090.60

Finding the Fourth Proportional to 12,485,514.60, 18,696,779.10 and 9,966,090.60

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Solution

The fourth proportional to 12,485,514.60, 18,696,779.10 and 9,966,090.60 is: 14,923,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,514.60 : 18,696,779.10 = 9,966,090.60 : x
  2. Step 2: Convert to fraction form
    12,485,514.60/18,696,779.10 = 9,966,090.60/x
  3. Step 3: Cross multiply
    12,485,514.60x = 18,696,779.10 × 9,966,090.60
  4. Step 4: Simplify right side
    12,485,514.60x = 186,333,794,438,786.47
  5. Step 5: Solve for x
    x = 186,333,794,438,786.47/12,485,514.60
  6. Step 6: Final answer
    x = 14,923,997.96

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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.