Home / 43,546,674.32-65,321,426.04-12,838,678.64

Finding the Fourth Proportional to 43,546,674.32, 65,321,426.04 and 12,838,678.64

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Solution

The fourth proportional to 43,546,674.32, 65,321,426.04 and 12,838,678.64 is: 19,258,435.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,546,674.32 : 65,321,426.04 = 12,838,678.64 : x
  2. Step 2: Convert to fraction form
    43,546,674.32/65,321,426.04 = 12,838,678.64/x
  3. Step 3: Cross multiply
    43,546,674.32x = 65,321,426.04 × 12,838,678.64
  4. Step 4: Simplify right side
    43,546,674.32x = 838,640,797,234,087.88
  5. Step 5: Solve for x
    x = 838,640,797,234,087.88/43,546,674.32
  6. Step 6: Final answer
    x = 19,258,435.01

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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.