Home / 13,306,684.70-19,960,027.05-4,787,299.10

Finding the Fourth Proportional to 13,306,684.70, 19,960,027.05 and 4,787,299.10

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Solution

The fourth proportional to 13,306,684.70, 19,960,027.05 and 4,787,299.10 is: 7,180,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,684.70 : 19,960,027.05 = 4,787,299.10 : x
  2. Step 2: Convert to fraction form
    13,306,684.70/19,960,027.05 = 4,787,299.10/x
  3. Step 3: Cross multiply
    13,306,684.70x = 19,960,027.05 × 4,787,299.10
  4. Step 4: Simplify right side
    13,306,684.70x = 95,554,619,532,440.66
  5. Step 5: Solve for x
    x = 95,554,619,532,440.66/13,306,684.70
  6. Step 6: Final answer
    x = 7,180,948.65

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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.