Home / 7,107,467.50-10,658,706.85-1,988,522.25

Finding the Fourth Proportional to 7,107,467.50, 10,658,706.85 and 1,988,522.25

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Solution

The fourth proportional to 7,107,467.50, 10,658,706.85 and 1,988,522.25 is: 2,982,085.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107,467.50 : 10,658,706.85 = 1,988,522.25 : x
  2. Step 2: Convert to fraction form
    7,107,467.50/10,658,706.85 = 1,988,522.25/x
  3. Step 3: Cross multiply
    7,107,467.50x = 10,658,706.85 × 1,988,522.25
  4. Step 4: Simplify right side
    7,107,467.50x = 21,195,075,727,452.41
  5. Step 5: Solve for x
    x = 21,195,075,727,452.41/7,107,467.50
  6. Step 6: Final answer
    x = 2,982,085.49

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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.