Home / 13,427,910.04-20,127,524.79-7,658,220.13

Finding the Fourth Proportional to 13,427,910.04, 20,127,524.79 and 7,658,220.13

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Solution

The fourth proportional to 13,427,910.04, 20,127,524.79 and 7,658,220.13 is: 11,479,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427,910.04 : 20,127,524.79 = 7,658,220.13 : x
  2. Step 2: Convert to fraction form
    13,427,910.04/20,127,524.79 = 7,658,220.13/x
  3. Step 3: Cross multiply
    13,427,910.04x = 20,127,524.79 × 7,658,220.13
  4. Step 4: Simplify right side
    13,427,910.04x = 154,141,015,427,631.50
  5. Step 5: Solve for x
    x = 154,141,015,427,631.50/13,427,910.04
  6. Step 6: Final answer
    x = 11,479,151.63

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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.