Home / 21,308,003.20-31,962,004.80-14,505,558.40

Finding the Fourth Proportional to 21,308,003.20, 31,962,004.80 and 14,505,558.40

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Solution

The fourth proportional to 21,308,003.20, 31,962,004.80 and 14,505,558.40 is: 21,758,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,308,003.20 : 31,962,004.80 = 14,505,558.40 : x
  2. Step 2: Convert to fraction form
    21,308,003.20/31,962,004.80 = 14,505,558.40/x
  3. Step 3: Cross multiply
    21,308,003.20x = 31,962,004.80 × 14,505,558.40
  4. Step 4: Simplify right side
    21,308,003.20x = 463,626,727,207,480.31
  5. Step 5: Solve for x
    x = 463,626,727,207,480.31/21,308,003.20
  6. Step 6: Final answer
    x = 21,758,337.60

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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.