Home / 7,119,970.84-9,825,606.95-3,856,785.54

Finding the Fourth Proportional to 7,119,970.84, 9,825,606.95 and 3,856,785.54

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Solution

The fourth proportional to 7,119,970.84, 9,825,606.95 and 3,856,785.54 is: 5,322,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,970.84 : 9,825,606.95 = 3,856,785.54 : x
  2. Step 2: Convert to fraction form
    7,119,970.84/9,825,606.95 = 3,856,785.54/x
  3. Step 3: Cross multiply
    7,119,970.84x = 9,825,606.95 × 3,856,785.54
  4. Step 4: Simplify right side
    7,119,970.84x = 37,895,258,806,483.50
  5. Step 5: Solve for x
    x = 37,895,258,806,483.50/7,119,970.84
  6. Step 6: Final answer
    x = 5,322,389.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.