Home / 20,802,829.80-31,143,419.10-14,830,861.80

Finding the Fourth Proportional to 20,802,829.80, 31,143,419.10 and 14,830,861.80

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Solution

The fourth proportional to 20,802,829.80, 31,143,419.10 and 14,830,861.80 is: 22,202,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,802,829.80 : 31,143,419.10 = 14,830,861.80 : x
  2. Step 2: Convert to fraction form
    20,802,829.80/31,143,419.10 = 14,830,861.80/x
  3. Step 3: Cross multiply
    20,802,829.80x = 31,143,419.10 × 14,830,861.80
  4. Step 4: Simplify right side
    20,802,829.80x = 461,883,744,651,580.44
  5. Step 5: Solve for x
    x = 461,883,744,651,580.44/20,802,829.80
  6. Step 6: Final answer
    x = 22,202,928.60

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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.