Home / 28,311,495.62-42,453,825.86-9,861,005.87

Finding the Fourth Proportional to 28,311,495.62, 42,453,825.86 and 9,861,005.87

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Solution

The fourth proportional to 28,311,495.62, 42,453,825.86 and 9,861,005.87 is: 14,786,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,311,495.62 : 42,453,825.86 = 9,861,005.87 : x
  2. Step 2: Convert to fraction form
    28,311,495.62/42,453,825.86 = 9,861,005.87/x
  3. Step 3: Cross multiply
    28,311,495.62x = 42,453,825.86 × 9,861,005.87
  4. Step 4: Simplify right side
    28,311,495.62x = 418,637,425,747,843.62
  5. Step 5: Solve for x
    x = 418,637,425,747,843.62/28,311,495.62
  6. Step 6: Final answer
    x = 14,786,835.41

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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.