Home / 7,772,960.64-11,660,935.41-2,980,276.11

Finding the Fourth Proportional to 7,772,960.64, 11,660,935.41 and 2,980,276.11

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Solution

The fourth proportional to 7,772,960.64, 11,660,935.41 and 2,980,276.11 is: 4,470,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,960.64 : 11,660,935.41 = 2,980,276.11 : x
  2. Step 2: Convert to fraction form
    7,772,960.64/11,660,935.41 = 2,980,276.11/x
  3. Step 3: Cross multiply
    7,772,960.64x = 11,660,935.41 × 2,980,276.11
  4. Step 4: Simplify right side
    7,772,960.64x = 34,752,807,222,676.05
  5. Step 5: Solve for x
    x = 34,752,807,222,676.05/7,772,960.64
  6. Step 6: Final answer
    x = 4,470,987.16

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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.