Home / 13,643,780.20-20,465,998.35-4,059,471.40

Finding the Fourth Proportional to 13,643,780.20, 20,465,998.35 and 4,059,471.40

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Solution

The fourth proportional to 13,643,780.20, 20,465,998.35 and 4,059,471.40 is: 6,089,304.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,780.20 : 20,465,998.35 = 4,059,471.40 : x
  2. Step 2: Convert to fraction form
    13,643,780.20/20,465,998.35 = 4,059,471.40/x
  3. Step 3: Cross multiply
    13,643,780.20x = 20,465,998.35 × 4,059,471.40
  4. Step 4: Simplify right side
    13,643,780.20x = 83,081,134,974,272.19
  5. Step 5: Solve for x
    x = 83,081,134,974,272.19/13,643,780.20
  6. Step 6: Final answer
    x = 6,089,304.71

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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.