Home / 8,876,741.40-13,315,112.10-5,087,107.80

Finding the Fourth Proportional to 8,876,741.40, 13,315,112.10 and 5,087,107.80

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Solution

The fourth proportional to 8,876,741.40, 13,315,112.10 and 5,087,107.80 is: 7,630,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876,741.40 : 13,315,112.10 = 5,087,107.80 : x
  2. Step 2: Convert to fraction form
    8,876,741.40/13,315,112.10 = 5,087,107.80/x
  3. Step 3: Cross multiply
    8,876,741.40x = 13,315,112.10 × 5,087,107.80
  4. Step 4: Simplify right side
    8,876,741.40x = 67,735,410,621,784.38
  5. Step 5: Solve for x
    x = 67,735,410,621,784.38/8,876,741.40
  6. Step 6: Final answer
    x = 7,630,661.70

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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.