Home / 28,039,997.70-42,063,355.11-8,606,678.58

Finding the Fourth Proportional to 28,039,997.70, 42,063,355.11 and 8,606,678.58

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Solution

The fourth proportional to 28,039,997.70, 42,063,355.11 and 8,606,678.58 is: 12,911,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039,997.70 : 42,063,355.11 = 8,606,678.58 : x
  2. Step 2: Convert to fraction form
    28,039,997.70/42,063,355.11 = 8,606,678.58/x
  3. Step 3: Cross multiply
    28,039,997.70x = 42,063,355.11 × 8,606,678.58
  4. Step 4: Simplify right side
    28,039,997.70x = 362,025,777,428,170.56
  5. Step 5: Solve for x
    x = 362,025,777,428,170.56/28,039,997.70
  6. Step 6: Final answer
    x = 12,911,048.76

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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.