Home / 21,014,420.40-31,545,250.20-16,243,261.20

Finding the Fourth Proportional to 21,014,420.40, 31,545,250.20 and 16,243,261.20

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Solution

The fourth proportional to 21,014,420.40, 31,545,250.20 and 16,243,261.20 is: 24,383,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014,420.40 : 31,545,250.20 = 16,243,261.20 : x
  2. Step 2: Convert to fraction form
    21,014,420.40/31,545,250.20 = 16,243,261.20/x
  3. Step 3: Cross multiply
    21,014,420.40x = 31,545,250.20 × 16,243,261.20
  4. Step 4: Simplify right side
    21,014,420.40x = 512,397,738,617,952.19
  5. Step 5: Solve for x
    x = 512,397,738,617,952.19/21,014,420.40
  6. Step 6: Final answer
    x = 24,383,148.76

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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.