Home / 7,381,618.80-11,072,428.20-5,492,050.80

Finding the Fourth Proportional to 7,381,618.80, 11,072,428.20 and 5,492,050.80

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Solution

The fourth proportional to 7,381,618.80, 11,072,428.20 and 5,492,050.80 is: 8,238,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,618.80 : 11,072,428.20 = 5,492,050.80 : x
  2. Step 2: Convert to fraction form
    7,381,618.80/11,072,428.20 = 5,492,050.80/x
  3. Step 3: Cross multiply
    7,381,618.80x = 11,072,428.20 × 5,492,050.80
  4. Step 4: Simplify right side
    7,381,618.80x = 60,810,338,153,752.55
  5. Step 5: Solve for x
    x = 60,810,338,153,752.55/7,381,618.80
  6. Step 6: Final answer
    x = 8,238,076.20

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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.