Home / 19,219,100-26,522,359.76-10,517,272.16

Finding the Fourth Proportional to 19,219,100, 26,522,359.76 and 10,517,272.16

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Solution

The fourth proportional to 19,219,100, 26,522,359.76 and 10,517,272.16 is: 14,513,836.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219,100 : 26,522,359.76 = 10,517,272.16 : x
  2. Step 2: Convert to fraction form
    19,219,100/26,522,359.76 = 10,517,272.16/x
  3. Step 3: Cross multiply
    19,219,100x = 26,522,359.76 × 10,517,272.16
  4. Step 4: Simplify right side
    19,219,100x = 278,942,875,921,352.31
  5. Step 5: Solve for x
    x = 278,942,875,921,352.31/19,219,100
  6. Step 6: Final answer
    x = 14,513,836.54

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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.