Home / 12,686,917.52-17,507,963.46-6,885,699.33

Finding the Fourth Proportional to 12,686,917.52, 17,507,963.46 and 6,885,699.33

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Solution

The fourth proportional to 12,686,917.52, 17,507,963.46 and 6,885,699.33 is: 9,502,274.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,917.52 : 17,507,963.46 = 6,885,699.33 : x
  2. Step 2: Convert to fraction form
    12,686,917.52/17,507,963.46 = 6,885,699.33/x
  3. Step 3: Cross multiply
    12,686,917.52x = 17,507,963.46 × 6,885,699.33
  4. Step 4: Simplify right side
    12,686,917.52x = 120,554,572,266,186.48
  5. Step 5: Solve for x
    x = 120,554,572,266,186.48/12,686,917.52
  6. Step 6: Final answer
    x = 9,502,274.46

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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.