Home / 12,563,913.30-18,845,869.95-8,259,241.20

Finding the Fourth Proportional to 12,563,913.30, 18,845,869.95 and 8,259,241.20

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Solution

The fourth proportional to 12,563,913.30, 18,845,869.95 and 8,259,241.20 is: 12,388,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563,913.30 : 18,845,869.95 = 8,259,241.20 : x
  2. Step 2: Convert to fraction form
    12,563,913.30/18,845,869.95 = 8,259,241.20/x
  3. Step 3: Cross multiply
    12,563,913.30x = 18,845,869.95 × 8,259,241.20
  4. Step 4: Simplify right side
    12,563,913.30x = 155,652,585,540,881.94
  5. Step 5: Solve for x
    x = 155,652,585,540,881.94/12,563,913.30
  6. Step 6: Final answer
    x = 12,388,861.80

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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.