Home / 20,235,441.50-27,934,028.74-12,903,130.34

Finding the Fourth Proportional to 20,235,441.50, 27,934,028.74 and 12,903,130.34

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Solution

The fourth proportional to 20,235,441.50, 27,934,028.74 and 12,903,130.34 is: 17,812,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235,441.50 : 27,934,028.74 = 12,903,130.34 : x
  2. Step 2: Convert to fraction form
    20,235,441.50/27,934,028.74 = 12,903,130.34/x
  3. Step 3: Cross multiply
    20,235,441.50x = 27,934,028.74 × 12,903,130.34
  4. Step 4: Simplify right side
    20,235,441.50x = 360,436,413,734,737.31
  5. Step 5: Solve for x
    x = 360,436,413,734,737.31/20,235,441.50
  6. Step 6: Final answer
    x = 17,812,134.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.