Home / 10,118,102.06-13,963,785.22-6,448,665.98

Finding the Fourth Proportional to 10,118,102.06, 13,963,785.22 and 6,448,665.98

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Solution

The fourth proportional to 10,118,102.06, 13,963,785.22 and 6,448,665.98 is: 8,899,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118,102.06 : 13,963,785.22 = 6,448,665.98 : x
  2. Step 2: Convert to fraction form
    10,118,102.06/13,963,785.22 = 6,448,665.98/x
  3. Step 3: Cross multiply
    10,118,102.06x = 13,963,785.22 × 6,448,665.98
  4. Step 4: Simplify right side
    10,118,102.06x = 90,047,786,700,240.83
  5. Step 5: Solve for x
    x = 90,047,786,700,240.83/10,118,102.06
  6. Step 6: Final answer
    x = 8,899,671.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.