Home / 18,466,355.70-25,484,890.14-10,206,240.30

Finding the Fourth Proportional to 18,466,355.70, 25,484,890.14 and 10,206,240.30

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Solution

The fourth proportional to 18,466,355.70, 25,484,890.14 and 10,206,240.30 is: 14,085,340.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466,355.70 : 25,484,890.14 = 10,206,240.30 : x
  2. Step 2: Convert to fraction form
    18,466,355.70/25,484,890.14 = 10,206,240.30/x
  3. Step 3: Cross multiply
    18,466,355.70x = 25,484,890.14 × 10,206,240.30
  4. Step 4: Simplify right side
    18,466,355.70x = 260,104,912,787,940.66
  5. Step 5: Solve for x
    x = 260,104,912,787,940.66/18,466,355.70
  6. Step 6: Final answer
    x = 14,085,340.77

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1.5x scale

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.