Home / 13,163,237.60-19,723,659.60-7,466,520.80

Finding the Fourth Proportional to 13,163,237.60, 19,723,659.60 and 7,466,520.80

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Solution

The fourth proportional to 13,163,237.60, 19,723,659.60 and 7,466,520.80 is: 11,187,757.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163,237.60 : 19,723,659.60 = 7,466,520.80 : x
  2. Step 2: Convert to fraction form
    13,163,237.60/19,723,659.60 = 7,466,520.80/x
  3. Step 3: Cross multiply
    13,163,237.60x = 19,723,659.60 × 7,466,520.80
  4. Step 4: Simplify right side
    13,163,237.60x = 147,267,114,655,519.69
  5. Step 5: Solve for x
    x = 147,267,114,655,519.69/13,163,237.60
  6. Step 6: Final answer
    x = 11,187,757.84

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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.