Home / 13,470,491.57-20,213,710.18-4,956,806.75

Finding the Fourth Proportional to 13,470,491.57, 20,213,710.18 and 4,956,806.75

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Solution

The fourth proportional to 13,470,491.57, 20,213,710.18 and 4,956,806.75 is: 7,438,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470,491.57 : 20,213,710.18 = 4,956,806.75 : x
  2. Step 2: Convert to fraction form
    13,470,491.57/20,213,710.18 = 4,956,806.75/x
  3. Step 3: Cross multiply
    13,470,491.57x = 20,213,710.18 × 4,956,806.75
  4. Step 4: Simplify right side
    13,470,491.57x = 100,195,454,949,307.14
  5. Step 5: Solve for x
    x = 100,195,454,949,307.14/13,470,491.57
  6. Step 6: Final answer
    x = 7,438,143.92

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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.