Home / 20,736,124.60-31,104,186.90-5,589,513.40

Finding the Fourth Proportional to 20,736,124.60, 31,104,186.90 and 5,589,513.40

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Solution

The fourth proportional to 20,736,124.60, 31,104,186.90 and 5,589,513.40 is: 8,384,270.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,124.60 : 31,104,186.90 = 5,589,513.40 : x
  2. Step 2: Convert to fraction form
    20,736,124.60/31,104,186.90 = 5,589,513.40/x
  3. Step 3: Cross multiply
    20,736,124.60x = 31,104,186.90 × 5,589,513.40
  4. Step 4: Simplify right side
    20,736,124.60x = 173,857,269,473,654.47
  5. Step 5: Solve for x
    x = 173,857,269,473,654.47/20,736,124.60
  6. Step 6: Final answer
    x = 8,384,270.10

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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.