Home / 13,793,585.56-20,690,365.81-6,505,345.19

Finding the Fourth Proportional to 13,793,585.56, 20,690,365.81 and 6,505,345.19

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Solution

The fourth proportional to 13,793,585.56, 20,690,365.81 and 6,505,345.19 is: 9,758,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793,585.56 : 20,690,365.81 = 6,505,345.19 : x
  2. Step 2: Convert to fraction form
    13,793,585.56/20,690,365.81 = 6,505,345.19/x
  3. Step 3: Cross multiply
    13,793,585.56x = 20,690,365.81 × 6,505,345.19
  4. Step 4: Simplify right side
    13,793,585.56x = 134,597,971,701,423.95
  5. Step 5: Solve for x
    x = 134,597,971,701,423.95/13,793,585.56
  6. Step 6: Final answer
    x = 9,758,011.88

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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.