Home / 19,726,982,655.06-27,226,183,648.01-15,529,480,947.12

Finding the Fourth Proportional to 19,726,982,655.06, 27,226,183,648.01 and 15,529,480,947.12

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Solution

The fourth proportional to 19,726,982,655.06, 27,226,183,648.01 and 15,529,480,947.12 is: 21,433,004,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726,982,655.06 : 27,226,183,648.01 = 15,529,480,947.12 : x
  2. Step 2: Convert to fraction form
    19,726,982,655.06/27,226,183,648.01 = 15,529,480,947.12/x
  3. Step 3: Cross multiply
    19,726,982,655.06x = 27,226,183,648.01 × 15,529,480,947.12
  4. Step 4: Simplify right side
    19,726,982,655.06x = 422,808,500,224,561,381,376
  5. Step 5: Solve for x
    x = 422,808,500,224,561,381,376/19,726,982,655.06
  6. Step 6: Final answer
    x = 21,433,004,104.97

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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.