Home / 9,920,037.78-14,880,997.78-3,855,238.02

Finding the Fourth Proportional to 9,920,037.78, 14,880,997.78 and 3,855,238.02

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Solution

The fourth proportional to 9,920,037.78, 14,880,997.78 and 3,855,238.02 is: 5,783,222.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920,037.78 : 14,880,997.78 = 3,855,238.02 : x
  2. Step 2: Convert to fraction form
    9,920,037.78/14,880,997.78 = 3,855,238.02/x
  3. Step 3: Cross multiply
    9,920,037.78x = 14,880,997.78 × 3,855,238.02
  4. Step 4: Simplify right side
    9,920,037.78x = 57,369,788,416,991.59
  5. Step 5: Solve for x
    x = 57,369,788,416,991.59/9,920,037.78
  6. Step 6: Final answer
    x = 5,783,222.77

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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.