Home / 7,217,128.32-10,824,384.24-2,899,004.64

Finding the Fourth Proportional to 7,217,128.32, 10,824,384.24 and 2,899,004.64

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Solution

The fourth proportional to 7,217,128.32, 10,824,384.24 and 2,899,004.64 is: 4,347,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,128.32 : 10,824,384.24 = 2,899,004.64 : x
  2. Step 2: Convert to fraction form
    7,217,128.32/10,824,384.24 = 2,899,004.64/x
  3. Step 3: Cross multiply
    7,217,128.32x = 10,824,384.24 × 2,899,004.64
  4. Step 4: Simplify right side
    7,217,128.32x = 31,379,940,136,902.88
  5. Step 5: Solve for x
    x = 31,379,940,136,902.88/7,217,128.32
  6. Step 6: Final answer
    x = 4,347,981.46

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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.