Home / 21,308,002.70-31,962,004.05-14,505,557.90

Finding the Fourth Proportional to 21,308,002.70, 31,962,004.05 and 14,505,557.90

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Solution

The fourth proportional to 21,308,002.70, 31,962,004.05 and 14,505,557.90 is: 21,758,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,308,002.70 : 31,962,004.05 = 14,505,557.90 : x
  2. Step 2: Convert to fraction form
    21,308,002.70/31,962,004.05 = 14,505,557.90/x
  3. Step 3: Cross multiply
    21,308,002.70x = 31,962,004.05 × 14,505,557.90
  4. Step 4: Simplify right side
    21,308,002.70x = 463,626,700,347,309.50
  5. Step 5: Solve for x
    x = 463,626,700,347,309.50/21,308,002.70
  6. Step 6: Final answer
    x = 21,758,336.85

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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.