Home / 19,037,687.69-26,296,653.15-15,743,288.90

Finding the Fourth Proportional to 19,037,687.69, 26,296,653.15 and 15,743,288.90

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Solution

The fourth proportional to 19,037,687.69, 26,296,653.15 and 15,743,288.90 is: 21,746,118.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037,687.69 : 26,296,653.15 = 15,743,288.90 : x
  2. Step 2: Convert to fraction form
    19,037,687.69/26,296,653.15 = 15,743,288.90/x
  3. Step 3: Cross multiply
    19,037,687.69x = 26,296,653.15 × 15,743,288.90
  4. Step 4: Simplify right side
    19,037,687.69x = 413,995,807,564,828.56
  5. Step 5: Solve for x
    x = 413,995,807,564,828.56/19,037,687.69
  6. Step 6: Final answer
    x = 21,746,118.24

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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.