Home / 12,384,579.60-18,576,869.40-9,361,270.80

Finding the Fourth Proportional to 12,384,579.60, 18,576,869.40 and 9,361,270.80

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Solution

The fourth proportional to 12,384,579.60, 18,576,869.40 and 9,361,270.80 is: 14,041,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,579.60 : 18,576,869.40 = 9,361,270.80 : x
  2. Step 2: Convert to fraction form
    12,384,579.60/18,576,869.40 = 9,361,270.80/x
  3. Step 3: Cross multiply
    12,384,579.60x = 18,576,869.40 × 9,361,270.80
  4. Step 4: Simplify right side
    12,384,579.60x = 173,903,105,069,633.53
  5. Step 5: Solve for x
    x = 173,903,105,069,633.53/12,384,579.60
  6. Step 6: Final answer
    x = 14,041,906.20

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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.