Home / 12,686,893.93-17,507,930.52-6,885,675.67

Finding the Fourth Proportional to 12,686,893.93, 17,507,930.52 and 6,885,675.67

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Solution

The fourth proportional to 12,686,893.93, 17,507,930.52 and 6,885,675.67 is: 9,502,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,893.93 : 17,507,930.52 = 6,885,675.67 : x
  2. Step 2: Convert to fraction form
    12,686,893.93/17,507,930.52 = 6,885,675.67/x
  3. Step 3: Cross multiply
    12,686,893.93x = 17,507,930.52 × 6,885,675.67
  4. Step 4: Simplify right side
    12,686,893.93x = 120,553,931,213,614.44
  5. Step 5: Solve for x
    x = 120,553,931,213,614.44/12,686,893.93
  6. Step 6: Final answer
    x = 9,502,241.60

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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.