Home / 12,686,902.53-17,507,942.47-6,885,684.35

Finding the Fourth Proportional to 12,686,902.53, 17,507,942.47 and 6,885,684.35

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Solution

The fourth proportional to 12,686,902.53, 17,507,942.47 and 6,885,684.35 is: 9,502,253.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,902.53 : 17,507,942.47 = 6,885,684.35 : x
  2. Step 2: Convert to fraction form
    12,686,902.53/17,507,942.47 = 6,885,684.35/x
  3. Step 3: Cross multiply
    12,686,902.53x = 17,507,942.47 × 6,885,684.35
  4. Step 4: Simplify right side
    12,686,902.53x = 120,554,165,466,379.33
  5. Step 5: Solve for x
    x = 120,554,165,466,379.33/12,686,902.53
  6. Step 6: Final answer
    x = 9,502,253.62

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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.