Home / 9,135,439.76-12,607,435.60-5,005,478.90

Finding the Fourth Proportional to 9,135,439.76, 12,607,435.60 and 5,005,478.90

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Solution

The fourth proportional to 9,135,439.76, 12,607,435.60 and 5,005,478.90 is: 6,907,850.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135,439.76 : 12,607,435.60 = 5,005,478.90 : x
  2. Step 2: Convert to fraction form
    9,135,439.76/12,607,435.60 = 5,005,478.90/x
  3. Step 3: Cross multiply
    9,135,439.76x = 12,607,435.60 × 5,005,478.90
  4. Step 4: Simplify right side
    9,135,439.76x = 63,106,252,878,908.84
  5. Step 5: Solve for x
    x = 63,106,252,878,908.84/9,135,439.76
  6. Step 6: Final answer
    x = 6,907,850.58

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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.