Home / 28,462,856.46-39,278,685.51-15,410,111.82

Finding the Fourth Proportional to 28,462,856.46, 39,278,685.51 and 15,410,111.82

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Solution

The fourth proportional to 28,462,856.46, 39,278,685.51 and 15,410,111.82 is: 21,265,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462,856.46 : 39,278,685.51 = 15,410,111.82 : x
  2. Step 2: Convert to fraction form
    28,462,856.46/39,278,685.51 = 15,410,111.82/x
  3. Step 3: Cross multiply
    28,462,856.46x = 39,278,685.51 × 15,410,111.82
  4. Step 4: Simplify right side
    28,462,856.46x = 605,288,935,851,713.75
  5. Step 5: Solve for x
    x = 605,288,935,851,713.75/28,462,856.46
  6. Step 6: Final answer
    x = 21,265,923.77

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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.