Home / 12,687,119.64-17,507,779.83-6,885,784.62

Finding the Fourth Proportional to 12,687,119.64, 17,507,779.83 and 6,885,784.62

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Solution

The fourth proportional to 12,687,119.64, 17,507,779.83 and 6,885,784.62 is: 9,502,141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,119.64 : 17,507,779.83 = 6,885,784.62 : x
  2. Step 2: Convert to fraction form
    12,687,119.64/17,507,779.83 = 6,885,784.62/x
  3. Step 3: Cross multiply
    12,687,119.64x = 17,507,779.83 × 6,885,784.62
  4. Step 4: Simplify right side
    12,687,119.64x = 120,554,801,083,760.20
  5. Step 5: Solve for x
    x = 120,554,801,083,760.20/12,687,119.64
  6. Step 6: Final answer
    x = 9,502,141.11

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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.