Home / 20,637,504.19-30,960,162.13-6,805,257.49

Finding the Fourth Proportional to 20,637,504.19, 30,960,162.13 and 6,805,257.49

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Solution

The fourth proportional to 20,637,504.19, 30,960,162.13 and 6,805,257.49 is: 10,209,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,637,504.19 : 30,960,162.13 = 6,805,257.49 : x
  2. Step 2: Convert to fraction form
    20,637,504.19/30,960,162.13 = 6,805,257.49/x
  3. Step 3: Cross multiply
    20,637,504.19x = 30,960,162.13 × 6,805,257.49
  4. Step 4: Simplify right side
    20,637,504.19x = 210,691,875,135,406.34
  5. Step 5: Solve for x
    x = 210,691,875,135,406.34/20,637,504.19
  6. Step 6: Final answer
    x = 10,209,174.19

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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.