Home / 7,181,723.60-10,778,460.60-7,125,736.40

Finding the Fourth Proportional to 7,181,723.60, 10,778,460.60 and 7,125,736.40

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Solution

The fourth proportional to 7,181,723.60, 10,778,460.60 and 7,125,736.40 is: 10,694,434.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181,723.60 : 10,778,460.60 = 7,125,736.40 : x
  2. Step 2: Convert to fraction form
    7,181,723.60/10,778,460.60 = 7,125,736.40/x
  3. Step 3: Cross multiply
    7,181,723.60x = 10,778,460.60 × 7,125,736.40
  4. Step 4: Simplify right side
    7,181,723.60x = 76,804,469,033,385.84
  5. Step 5: Solve for x
    x = 76,804,469,033,385.84/7,181,723.60
  6. Step 6: Final answer
    x = 10,694,434.00

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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.