Home / 13,409,870.70-20,114,806.05-5,324,774.70

Finding the Fourth Proportional to 13,409,870.70, 20,114,806.05 and 5,324,774.70

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Solution

The fourth proportional to 13,409,870.70, 20,114,806.05 and 5,324,774.70 is: 7,987,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409,870.70 : 20,114,806.05 = 5,324,774.70 : x
  2. Step 2: Convert to fraction form
    13,409,870.70/20,114,806.05 = 5,324,774.70/x
  3. Step 3: Cross multiply
    13,409,870.70x = 20,114,806.05 × 5,324,774.70
  4. Step 4: Simplify right side
    13,409,870.70x = 107,106,810,350,446.94
  5. Step 5: Solve for x
    x = 107,106,810,350,446.94/13,409,870.70
  6. Step 6: Final answer
    x = 7,987,162.05

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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.