Home / 7,880,767.78-10,874,990.64-4,572,805.89

Finding the Fourth Proportional to 7,880,767.78, 10,874,990.64 and 4,572,805.89

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Solution

The fourth proportional to 7,880,767.78, 10,874,990.64 and 4,572,805.89 is: 6,310,200.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,767.78 : 10,874,990.64 = 4,572,805.89 : x
  2. Step 2: Convert to fraction form
    7,880,767.78/10,874,990.64 = 4,572,805.89/x
  3. Step 3: Cross multiply
    7,880,767.78x = 10,874,990.64 × 4,572,805.89
  4. Step 4: Simplify right side
    7,880,767.78x = 49,729,221,310,216.11
  5. Step 5: Solve for x
    x = 49,729,221,310,216.11/7,880,767.78
  6. Step 6: Final answer
    x = 6,310,200.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.