Home / 11,956,765.84-17,935,029.96-5,478,003.28

Finding the Fourth Proportional to 11,956,765.84, 17,935,029.96 and 5,478,003.28

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Solution

The fourth proportional to 11,956,765.84, 17,935,029.96 and 5,478,003.28 is: 8,216,950.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956,765.84 : 17,935,029.96 = 5,478,003.28 : x
  2. Step 2: Convert to fraction form
    11,956,765.84/17,935,029.96 = 5,478,003.28/x
  3. Step 3: Cross multiply
    11,956,765.84x = 17,935,029.96 × 5,478,003.28
  4. Step 4: Simplify right side
    11,956,765.84x = 98,248,152,947,778.28
  5. Step 5: Solve for x
    x = 98,248,152,947,778.28/11,956,765.84
  6. Step 6: Final answer
    x = 8,216,950.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.