Home / 13,783,154.60-20,643,239.10-8,114,450.60

Finding the Fourth Proportional to 13,783,154.60, 20,643,239.10 and 8,114,450.60

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Solution

The fourth proportional to 13,783,154.60, 20,643,239.10 and 8,114,450.60 is: 12,153,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783,154.60 : 20,643,239.10 = 8,114,450.60 : x
  2. Step 2: Convert to fraction form
    13,783,154.60/20,643,239.10 = 8,114,450.60/x
  3. Step 3: Cross multiply
    13,783,154.60x = 20,643,239.10 × 8,114,450.60
  4. Step 4: Simplify right side
    13,783,154.60x = 167,508,543,900,938.47
  5. Step 5: Solve for x
    x = 167,508,543,900,938.47/13,783,154.60
  6. Step 6: Final answer
    x = 12,153,135.39

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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.