Home / 12,912,084.15-19,370,820.33-6,845,168.45

Finding the Fourth Proportional to 12,912,084.15, 19,370,820.33 and 6,845,168.45

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Solution

The fourth proportional to 12,912,084.15, 19,370,820.33 and 6,845,168.45 is: 10,269,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,084.15 : 19,370,820.33 = 6,845,168.45 : x
  2. Step 2: Convert to fraction form
    12,912,084.15/19,370,820.33 = 6,845,168.45/x
  3. Step 3: Cross multiply
    12,912,084.15x = 19,370,820.33 × 6,845,168.45
  4. Step 4: Simplify right side
    12,912,084.15x = 132,596,528,221,961.62
  5. Step 5: Solve for x
    x = 132,596,528,221,961.62/12,912,084.15
  6. Step 6: Final answer
    x = 10,269,180.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.