Home / 13,783,123.60-20,643,192.60-8,114,419.60

Finding the Fourth Proportional to 13,783,123.60, 20,643,192.60 and 8,114,419.60

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Solution

The fourth proportional to 13,783,123.60, 20,643,192.60 and 8,114,419.60 is: 12,153,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783,123.60 : 20,643,192.60 = 8,114,419.60 : x
  2. Step 2: Convert to fraction form
    13,783,123.60/20,643,192.60 = 8,114,419.60/x
  3. Step 3: Cross multiply
    13,783,123.60x = 20,643,192.60 × 8,114,419.60
  4. Step 4: Simplify right side
    13,783,123.60x = 167,507,526,640,014.97
  5. Step 5: Solve for x
    x = 167,507,526,640,014.97/13,783,123.60
  6. Step 6: Final answer
    x = 12,153,088.92

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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.