Home / 21,032,005.10-31,548,007.65-17,441,825.90

Finding the Fourth Proportional to 21,032,005.10, 31,548,007.65 and 17,441,825.90

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Solution

The fourth proportional to 21,032,005.10, 31,548,007.65 and 17,441,825.90 is: 26,162,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,005.10 : 31,548,007.65 = 17,441,825.90 : x
  2. Step 2: Convert to fraction form
    21,032,005.10/31,548,007.65 = 17,441,825.90/x
  3. Step 3: Cross multiply
    21,032,005.10x = 31,548,007.65 × 17,441,825.90
  4. Step 4: Simplify right side
    21,032,005.10x = 550,254,856,923,168.06
  5. Step 5: Solve for x
    x = 550,254,856,923,168.06/21,032,005.10
  6. Step 6: Final answer
    x = 26,162,738.85

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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.