Home / 12,948,803.93-17,869,346.71-7,147,584.13

Finding the Fourth Proportional to 12,948,803.93, 17,869,346.71 and 7,147,584.13

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Solution

The fourth proportional to 12,948,803.93, 17,869,346.71 and 7,147,584.13 is: 9,863,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,803.93 : 17,869,346.71 = 7,147,584.13 : x
  2. Step 2: Convert to fraction form
    12,948,803.93/17,869,346.71 = 7,147,584.13/x
  3. Step 3: Cross multiply
    12,948,803.93x = 17,869,346.71 × 7,147,584.13
  4. Step 4: Simplify right side
    12,948,803.93x = 127,722,658,957,863.72
  5. Step 5: Solve for x
    x = 127,722,658,957,863.72/12,948,803.93
  6. Step 6: Final answer
    x = 9,863,664.60

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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.