Home / 20,629,259.42-30,948,354.69-6,253,411.31

Finding the Fourth Proportional to 20,629,259.42, 30,948,354.69 and 6,253,411.31

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Solution

The fourth proportional to 20,629,259.42, 30,948,354.69 and 6,253,411.31 is: 9,381,470.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,259.42 : 30,948,354.69 = 6,253,411.31 : x
  2. Step 2: Convert to fraction form
    20,629,259.42/30,948,354.69 = 6,253,411.31/x
  3. Step 3: Cross multiply
    20,629,259.42x = 30,948,354.69 × 6,253,411.31
  4. Step 4: Simplify right side
    20,629,259.42x = 193,532,791,182,201.81
  5. Step 5: Solve for x
    x = 193,532,791,182,201.81/20,629,259.42
  6. Step 6: Final answer
    x = 9,381,470.62

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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.