Home / 20,403,998.60-30,535,139.10-14,026,706.60

Finding the Fourth Proportional to 20,403,998.60, 30,535,139.10 and 14,026,706.60

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Solution

The fourth proportional to 20,403,998.60, 30,535,139.10 and 14,026,706.60 is: 20,991,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403,998.60 : 30,535,139.10 = 14,026,706.60 : x
  2. Step 2: Convert to fraction form
    20,403,998.60/30,535,139.10 = 14,026,706.60/x
  3. Step 3: Cross multiply
    20,403,998.60x = 30,535,139.10 × 14,026,706.60
  4. Step 4: Simplify right side
    20,403,998.60x = 428,307,437,145,888.06
  5. Step 5: Solve for x
    x = 428,307,437,145,888.06/20,403,998.60
  6. Step 6: Final answer
    x = 20,991,348.10

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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.