Home / 12,948,810.42-17,869,355.67-7,147,590.66

Finding the Fourth Proportional to 12,948,810.42, 17,869,355.67 and 7,147,590.66

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Solution

The fourth proportional to 12,948,810.42, 17,869,355.67 and 7,147,590.66 is: 9,863,673.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,810.42 : 17,869,355.67 = 7,147,590.66 : x
  2. Step 2: Convert to fraction form
    12,948,810.42/17,869,355.67 = 7,147,590.66/x
  3. Step 3: Cross multiply
    12,948,810.42x = 17,869,355.67 × 7,147,590.66
  4. Step 4: Simplify right side
    12,948,810.42x = 127,722,839,687,110.06
  5. Step 5: Solve for x
    x = 127,722,839,687,110.06/12,948,810.42
  6. Step 6: Final answer
    x = 9,863,673.62

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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.