Home / 8,201,956.32-12,302,938.78-2,136,672

Finding the Fourth Proportional to 8,201,956.32, 12,302,938.78 and 2,136,672

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Solution

The fourth proportional to 8,201,956.32, 12,302,938.78 and 2,136,672 is: 3,205,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,956.32 : 12,302,938.78 = 2,136,672 : x
  2. Step 2: Convert to fraction form
    8,201,956.32/12,302,938.78 = 2,136,672/x
  3. Step 3: Cross multiply
    8,201,956.32x = 12,302,938.78 × 2,136,672
  4. Step 4: Simplify right side
    8,201,956.32x = 26,287,344,808,940.16
  5. Step 5: Solve for x
    x = 26,287,344,808,940.16/8,201,956.32
  6. Step 6: Final answer
    x = 3,205,009.12

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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.