Home / 14,682,145.91-21,989,671.63-7,011,164.12

Finding the Fourth Proportional to 14,682,145.91, 21,989,671.63 and 7,011,164.12

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Solution

The fourth proportional to 14,682,145.91, 21,989,671.63 and 7,011,164.12 is: 10,500,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682,145.91 : 21,989,671.63 = 7,011,164.12 : x
  2. Step 2: Convert to fraction form
    14,682,145.91/21,989,671.63 = 7,011,164.12/x
  3. Step 3: Cross multiply
    14,682,145.91x = 21,989,671.63 × 7,011,164.12
  4. Step 4: Simplify right side
    14,682,145.91x = 154,173,196,615,361.66
  5. Step 5: Solve for x
    x = 154,173,196,615,361.66/14,682,145.91
  6. Step 6: Final answer
    x = 10,500,726.37

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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.