Home / 10,980,336.70-16,470,505.05-8,145,984.70

Finding the Fourth Proportional to 10,980,336.70, 16,470,505.05 and 8,145,984.70

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Solution

The fourth proportional to 10,980,336.70, 16,470,505.05 and 8,145,984.70 is: 12,218,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980,336.70 : 16,470,505.05 = 8,145,984.70 : x
  2. Step 2: Convert to fraction form
    10,980,336.70/16,470,505.05 = 8,145,984.70/x
  3. Step 3: Cross multiply
    10,980,336.70x = 16,470,505.05 × 8,145,984.70
  4. Step 4: Simplify right side
    10,980,336.70x = 134,168,482,138,572.75
  5. Step 5: Solve for x
    x = 134,168,482,138,572.75/10,980,336.70
  6. Step 6: Final answer
    x = 12,218,977.05

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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.