Home / 12,242,859.70-18,364,289.55-11,496,363.70

Finding the Fourth Proportional to 12,242,859.70, 18,364,289.55 and 11,496,363.70

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Solution

The fourth proportional to 12,242,859.70, 18,364,289.55 and 11,496,363.70 is: 17,244,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242,859.70 : 18,364,289.55 = 11,496,363.70 : x
  2. Step 2: Convert to fraction form
    12,242,859.70/18,364,289.55 = 11,496,363.70/x
  3. Step 3: Cross multiply
    12,242,859.70x = 18,364,289.55 × 11,496,363.70
  4. Step 4: Simplify right side
    12,242,859.70x = 211,122,551,758,909.34
  5. Step 5: Solve for x
    x = 211,122,551,758,909.34/12,242,859.70
  6. Step 6: Final answer
    x = 17,244,545.55

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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.