Home / 12,590,936.10-18,886,404.15-11,541,176.10

Finding the Fourth Proportional to 12,590,936.10, 18,886,404.15 and 11,541,176.10

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Solution

The fourth proportional to 12,590,936.10, 18,886,404.15 and 11,541,176.10 is: 17,311,764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590,936.10 : 18,886,404.15 = 11,541,176.10 : x
  2. Step 2: Convert to fraction form
    12,590,936.10/18,886,404.15 = 11,541,176.10/x
  3. Step 3: Cross multiply
    12,590,936.10x = 18,886,404.15 × 11,541,176.10
  4. Step 4: Simplify right side
    12,590,936.10x = 217,971,316,190,920.78
  5. Step 5: Solve for x
    x = 217,971,316,190,920.78/12,590,936.10
  6. Step 6: Final answer
    x = 17,311,764.15

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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.