Home / 12,384,530.40-18,576,795.60-11,587,368.90

Finding the Fourth Proportional to 12,384,530.40, 18,576,795.60 and 11,587,368.90

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Solution

The fourth proportional to 12,384,530.40, 18,576,795.60 and 11,587,368.90 is: 17,381,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,530.40 : 18,576,795.60 = 11,587,368.90 : x
  2. Step 2: Convert to fraction form
    12,384,530.40/18,576,795.60 = 11,587,368.90/x
  3. Step 3: Cross multiply
    12,384,530.40x = 18,576,795.60 × 11,587,368.90
  4. Step 4: Simplify right side
    12,384,530.40x = 215,256,183,597,096.88
  5. Step 5: Solve for x
    x = 215,256,183,597,096.88/12,384,530.40
  6. Step 6: Final answer
    x = 17,381,053.35

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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.