Home / 18,786,909.70-28,180,364.55-14,535,381.70

Finding the Fourth Proportional to 18,786,909.70, 28,180,364.55 and 14,535,381.70

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Solution

The fourth proportional to 18,786,909.70, 28,180,364.55 and 14,535,381.70 is: 21,803,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786,909.70 : 28,180,364.55 = 14,535,381.70 : x
  2. Step 2: Convert to fraction form
    18,786,909.70/28,180,364.55 = 14,535,381.70/x
  3. Step 3: Cross multiply
    18,786,909.70x = 28,180,364.55 × 14,535,381.70
  4. Step 4: Simplify right side
    18,786,909.70x = 409,612,355,179,398.75
  5. Step 5: Solve for x
    x = 409,612,355,179,398.75/18,786,909.70
  6. Step 6: Final answer
    x = 21,803,072.55

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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.