Home / 18,567,945.40-27,851,918.10-12,899,241.40

Finding the Fourth Proportional to 18,567,945.40, 27,851,918.10 and 12,899,241.40

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Solution

The fourth proportional to 18,567,945.40, 27,851,918.10 and 12,899,241.40 is: 19,348,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567,945.40 : 27,851,918.10 = 12,899,241.40 : x
  2. Step 2: Convert to fraction form
    18,567,945.40/27,851,918.10 = 12,899,241.40/x
  3. Step 3: Cross multiply
    18,567,945.40x = 27,851,918.10 × 12,899,241.40
  4. Step 4: Simplify right side
    18,567,945.40x = 359,268,615,024,929.38
  5. Step 5: Solve for x
    x = 359,268,615,024,929.38/18,567,945.40
  6. Step 6: Final answer
    x = 19,348,862.10

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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.