Home / 12,096,511.20-18,144,767.10-12,012,530.40

Finding the Fourth Proportional to 12,096,511.20, 18,144,767.10 and 12,012,530.40

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Solution

The fourth proportional to 12,096,511.20, 18,144,767.10 and 12,012,530.40 is: 18,018,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,511.20 : 18,144,767.10 = 12,012,530.40 : x
  2. Step 2: Convert to fraction form
    12,096,511.20/18,144,767.10 = 12,012,530.40/x
  3. Step 3: Cross multiply
    12,096,511.20x = 18,144,767.10 × 12,012,530.40
  4. Step 4: Simplify right side
    12,096,511.20x = 217,964,566,389,669.88
  5. Step 5: Solve for x
    x = 217,964,566,389,669.88/12,096,511.20
  6. Step 6: Final answer
    x = 18,018,795.90

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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.