Home / 7,492,748.80-11,239,123.20-5,603,180.80

Finding the Fourth Proportional to 7,492,748.80, 11,239,123.20 and 5,603,180.80

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Solution

The fourth proportional to 7,492,748.80, 11,239,123.20 and 5,603,180.80 is: 8,404,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492,748.80 : 11,239,123.20 = 5,603,180.80 : x
  2. Step 2: Convert to fraction form
    7,492,748.80/11,239,123.20 = 5,603,180.80/x
  3. Step 3: Cross multiply
    7,492,748.80x = 11,239,123.20 × 5,603,180.80
  4. Step 4: Simplify right side
    7,492,748.80x = 62,974,839,323,074.55
  5. Step 5: Solve for x
    x = 62,974,839,323,074.55/7,492,748.80
  6. Step 6: Final answer
    x = 8,404,771.20

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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.