Home / 13,739,408.22-20,707,869.75-11,843,206.50

Finding the Fourth Proportional to 13,739,408.22, 20,707,869.75 and 11,843,206.50

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Solution

The fourth proportional to 13,739,408.22, 20,707,869.75 and 11,843,206.50 is: 17,849,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,408.22 : 20,707,869.75 = 11,843,206.50 : x
  2. Step 2: Convert to fraction form
    13,739,408.22/20,707,869.75 = 11,843,206.50/x
  3. Step 3: Cross multiply
    13,739,408.22x = 20,707,869.75 × 11,843,206.50
  4. Step 4: Simplify right side
    13,739,408.22x = 245,247,577,624,353.38
  5. Step 5: Solve for x
    x = 245,247,577,624,353.38/13,739,408.22
  6. Step 6: Final answer
    x = 17,849,937.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.