Home / 12,912,105.60-19,366,084.80-3,934,569.60

Finding the Fourth Proportional to 12,912,105.60, 19,366,084.80 and 3,934,569.60

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Solution

The fourth proportional to 12,912,105.60, 19,366,084.80 and 3,934,569.60 is: 5,901,222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,105.60 : 19,366,084.80 = 3,934,569.60 : x
  2. Step 2: Convert to fraction form
    12,912,105.60/19,366,084.80 = 3,934,569.60/x
  3. Step 3: Cross multiply
    12,912,105.60x = 19,366,084.80 × 3,934,569.60
  4. Step 4: Simplify right side
    12,912,105.60x = 76,197,208,525,102.08
  5. Step 5: Solve for x
    x = 76,197,208,525,102.08/12,912,105.60
  6. Step 6: Final answer
    x = 5,901,222.53

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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.