Home / 17,855,915.61-26,787,320.78-7,620,626.01

Finding the Fourth Proportional to 17,855,915.61, 26,787,320.78 and 7,620,626.01

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Solution

The fourth proportional to 17,855,915.61, 26,787,320.78 and 7,620,626.01 is: 11,432,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855,915.61 : 26,787,320.78 = 7,620,626.01 : x
  2. Step 2: Convert to fraction form
    17,855,915.61/26,787,320.78 = 7,620,626.01/x
  3. Step 3: Cross multiply
    17,855,915.61x = 26,787,320.78 × 7,620,626.01
  4. Step 4: Simplify right side
    17,855,915.61x = 204,136,153,436,178.34
  5. Step 5: Solve for x
    x = 204,136,153,436,178.34/17,855,915.61
  6. Step 6: Final answer
    x = 11,432,410.29

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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.