Home / 12,686,893.68-17,507,930.18-6,885,675.42

Finding the Fourth Proportional to 12,686,893.68, 17,507,930.18 and 6,885,675.42

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Solution

The fourth proportional to 12,686,893.68, 17,507,930.18 and 6,885,675.42 is: 9,502,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,893.68 : 17,507,930.18 = 6,885,675.42 : x
  2. Step 2: Convert to fraction form
    12,686,893.68/17,507,930.18 = 6,885,675.42/x
  3. Step 3: Cross multiply
    12,686,893.68x = 17,507,930.18 × 6,885,675.42
  4. Step 4: Simplify right side
    12,686,893.68x = 120,553,924,461,073.80
  5. Step 5: Solve for x
    x = 120,553,924,461,073.80/12,686,893.68
  6. Step 6: Final answer
    x = 9,502,241.25

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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.