Home / 31,104,858.60-46,657,287.90-8,388,052.20

Finding the Fourth Proportional to 31,104,858.60, 46,657,287.90 and 8,388,052.20

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Solution

The fourth proportional to 31,104,858.60, 46,657,287.90 and 8,388,052.20 is: 12,582,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104,858.60 : 46,657,287.90 = 8,388,052.20 : x
  2. Step 2: Convert to fraction form
    31,104,858.60/46,657,287.90 = 8,388,052.20/x
  3. Step 3: Cross multiply
    31,104,858.60x = 46,657,287.90 × 8,388,052.20
  4. Step 4: Simplify right side
    31,104,858.60x = 391,363,766,415,628.38
  5. Step 5: Solve for x
    x = 391,363,766,415,628.38/31,104,858.60
  6. Step 6: Final answer
    x = 12,582,078.30

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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.