Home / 12,332,156.85-18,498,235.28-11,828,272.05

Finding the Fourth Proportional to 12,332,156.85, 18,498,235.28 and 11,828,272.05

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Solution

The fourth proportional to 12,332,156.85, 18,498,235.28 and 11,828,272.05 is: 17,742,408.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332,156.85 : 18,498,235.28 = 11,828,272.05 : x
  2. Step 2: Convert to fraction form
    12,332,156.85/18,498,235.28 = 11,828,272.05/x
  3. Step 3: Cross multiply
    12,332,156.85x = 18,498,235.28 × 11,828,272.05
  4. Step 4: Simplify right side
    12,332,156.85x = 218,802,159,277,606.56
  5. Step 5: Solve for x
    x = 218,802,159,277,606.56/12,332,156.85
  6. Step 6: Final answer
    x = 17,742,408.08

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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.