Home / 12,313,155.70-18,453,627.15-6,621,123.70

Finding the Fourth Proportional to 12,313,155.70, 18,453,627.15 and 6,621,123.70

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Solution

The fourth proportional to 12,313,155.70, 18,453,627.15 and 6,621,123.70 is: 9,923,024.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313,155.70 : 18,453,627.15 = 6,621,123.70 : x
  2. Step 2: Convert to fraction form
    12,313,155.70/18,453,627.15 = 6,621,123.70/x
  3. Step 3: Cross multiply
    12,313,155.70x = 18,453,627.15 × 6,621,123.70
  4. Step 4: Simplify right side
    12,313,155.70x = 122,183,748,073,828.45
  5. Step 5: Solve for x
    x = 122,183,748,073,828.45/12,313,155.70
  6. Step 6: Final answer
    x = 9,923,024.69

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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.