Home / 18,779,287.08-25,917,704.65-11,043,955.56

Finding the Fourth Proportional to 18,779,287.08, 25,917,704.65 and 11,043,955.56

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Solution

The fourth proportional to 18,779,287.08, 25,917,704.65 and 11,043,955.56 is: 15,242,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779,287.08 : 25,917,704.65 = 11,043,955.56 : x
  2. Step 2: Convert to fraction form
    18,779,287.08/25,917,704.65 = 11,043,955.56/x
  3. Step 3: Cross multiply
    18,779,287.08x = 25,917,704.65 × 11,043,955.56
  4. Step 4: Simplify right side
    18,779,287.08x = 286,233,978,316,585.56
  5. Step 5: Solve for x
    x = 286,233,978,316,585.56/18,779,287.08
  6. Step 6: Final answer
    x = 15,242,004.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.