Home / 7,371,838.14-11,057,009.77-1,979,787.81

Finding the Fourth Proportional to 7,371,838.14, 11,057,009.77 and 1,979,787.81

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Solution

The fourth proportional to 7,371,838.14, 11,057,009.77 and 1,979,787.81 is: 2,969,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371,838.14 : 11,057,009.77 = 1,979,787.81 : x
  2. Step 2: Convert to fraction form
    7,371,838.14/11,057,009.77 = 1,979,787.81/x
  3. Step 3: Cross multiply
    7,371,838.14x = 11,057,009.77 × 1,979,787.81
  4. Step 4: Simplify right side
    7,371,838.14x = 21,890,533,157,696.90
  5. Step 5: Solve for x
    x = 21,890,533,157,696.90/7,371,838.14
  6. Step 6: Final answer
    x = 2,969,480.98

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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.