Home / 19,037,687.19-26,296,652.46-15,743,288.40

Finding the Fourth Proportional to 19,037,687.19, 26,296,652.46 and 15,743,288.40

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Solution

The fourth proportional to 19,037,687.19, 26,296,652.46 and 15,743,288.40 is: 21,746,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037,687.19 : 26,296,652.46 = 15,743,288.40 : x
  2. Step 2: Convert to fraction form
    19,037,687.19/26,296,652.46 = 15,743,288.40/x
  3. Step 3: Cross multiply
    19,037,687.19x = 26,296,652.46 × 15,743,288.40
  4. Step 4: Simplify right side
    19,037,687.19x = 413,995,783,553,633
  5. Step 5: Solve for x
    x = 413,995,783,553,633/19,037,687.19
  6. Step 6: Final answer
    x = 21,746,117.55

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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.