Home / 12,465,460.21-18,704,111.91-8,633,180.11

Finding the Fourth Proportional to 12,465,460.21, 18,704,111.91 and 8,633,180.11

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Solution

The fourth proportional to 12,465,460.21, 18,704,111.91 and 8,633,180.11 is: 12,953,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465,460.21 : 18,704,111.91 = 8,633,180.11 : x
  2. Step 2: Convert to fraction form
    12,465,460.21/18,704,111.91 = 8,633,180.11/x
  3. Step 3: Cross multiply
    12,465,460.21x = 18,704,111.91 × 8,633,180.11
  4. Step 4: Simplify right side
    12,465,460.21x = 161,475,966,916,626.09
  5. Step 5: Solve for x
    x = 161,475,966,916,626.09/12,465,460.21
  6. Step 6: Final answer
    x = 12,953,871.27

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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.