Home / 12,687,177.60-17,507,860.56-6,885,843.12

Finding the Fourth Proportional to 12,687,177.60, 17,507,860.56 and 6,885,843.12

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Solution

The fourth proportional to 12,687,177.60, 17,507,860.56 and 6,885,843.12 is: 9,502,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,177.60 : 17,507,860.56 = 6,885,843.12 : x
  2. Step 2: Convert to fraction form
    12,687,177.60/17,507,860.56 = 6,885,843.12/x
  3. Step 3: Cross multiply
    12,687,177.60x = 17,507,860.56 × 6,885,843.12
  4. Step 4: Simplify right side
    12,687,177.60x = 120,556,381,182,995.34
  5. Step 5: Solve for x
    x = 120,556,381,182,995.34/12,687,177.60
  6. Step 6: Final answer
    x = 9,502,222.24

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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.