Home / 12,425,655.79-18,629,823.53-5,505,373.64

Finding the Fourth Proportional to 12,425,655.79, 18,629,823.53 and 5,505,373.64

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Solution

The fourth proportional to 12,425,655.79, 18,629,823.53 and 5,505,373.64 is: 8,254,223.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425,655.79 : 18,629,823.53 = 5,505,373.64 : x
  2. Step 2: Convert to fraction form
    12,425,655.79/18,629,823.53 = 5,505,373.64/x
  3. Step 3: Cross multiply
    12,425,655.79x = 18,629,823.53 × 5,505,373.64
  4. Step 4: Simplify right side
    12,425,655.79x = 102,564,139,259,237.75
  5. Step 5: Solve for x
    x = 102,564,139,259,237.75/12,425,655.79
  6. Step 6: Final answer
    x = 8,254,223.44

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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.