Home / 8,639,698.64-11,914,866.60-5,890,493.84

Finding the Fourth Proportional to 8,639,698.64, 11,914,866.60 and 5,890,493.84

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Solution

The fourth proportional to 8,639,698.64, 11,914,866.60 and 5,890,493.84 is: 8,123,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,698.64 : 11,914,866.60 = 5,890,493.84 : x
  2. Step 2: Convert to fraction form
    8,639,698.64/11,914,866.60 = 5,890,493.84/x
  3. Step 3: Cross multiply
    8,639,698.64x = 11,914,866.60 × 5,890,493.84
  4. Step 4: Simplify right side
    8,639,698.64x = 70,184,448,311,721.74
  5. Step 5: Solve for x
    x = 70,184,448,311,721.74/8,639,698.64
  6. Step 6: Final answer
    x = 8,123,483.38

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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.