Home / 12,948,814.96-17,869,361.84-7,147,595.12

Finding the Fourth Proportional to 12,948,814.96, 17,869,361.84 and 7,147,595.12

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Solution

The fourth proportional to 12,948,814.96, 17,869,361.84 and 7,147,595.12 is: 9,863,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,814.96 : 17,869,361.84 = 7,147,595.12 : x
  2. Step 2: Convert to fraction form
    12,948,814.96/17,869,361.84 = 7,147,595.12/x
  3. Step 3: Cross multiply
    12,948,814.96x = 17,869,361.84 × 7,147,595.12
  4. Step 4: Simplify right side
    12,948,814.96x = 127,722,963,485,098.22
  5. Step 5: Solve for x
    x = 127,722,963,485,098.22/12,948,814.96
  6. Step 6: Final answer
    x = 9,863,679.72

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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.