Home / 9,878,647.57-13,630,489.56-6,780,033.07

Finding the Fourth Proportional to 9,878,647.57, 13,630,489.56 and 6,780,033.07

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Solution

The fourth proportional to 9,878,647.57, 13,630,489.56 and 6,780,033.07 is: 9,355,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878,647.57 : 13,630,489.56 = 6,780,033.07 : x
  2. Step 2: Convert to fraction form
    9,878,647.57/13,630,489.56 = 6,780,033.07/x
  3. Step 3: Cross multiply
    9,878,647.57x = 13,630,489.56 × 6,780,033.07
  4. Step 4: Simplify right side
    9,878,647.57x = 92,415,169,943,013.53
  5. Step 5: Solve for x
    x = 92,415,169,943,013.53/9,878,647.57
  6. Step 6: Final answer
    x = 9,355,042.71

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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.