Home / 20,430,459.90-28,194,227.01-11,263,430.70

Finding the Fourth Proportional to 20,430,459.90, 28,194,227.01 and 11,263,430.70

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Solution

The fourth proportional to 20,430,459.90, 28,194,227.01 and 11,263,430.70 is: 15,543,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,430,459.90 : 28,194,227.01 = 11,263,430.70 : x
  2. Step 2: Convert to fraction form
    20,430,459.90/28,194,227.01 = 11,263,430.70/x
  3. Step 3: Cross multiply
    20,430,459.90x = 28,194,227.01 × 11,263,430.70
  4. Step 4: Simplify right side
    20,430,459.90x = 317,563,722,067,203.19
  5. Step 5: Solve for x
    x = 317,563,722,067,203.19/20,430,459.90
  6. Step 6: Final answer
    x = 15,543,640.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.