Home / 12,287,708.28-18,439,783.67-5,099,241.93

Finding the Fourth Proportional to 12,287,708.28, 18,439,783.67 and 5,099,241.93

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Solution

The fourth proportional to 12,287,708.28, 18,439,783.67 and 5,099,241.93 is: 7,652,274.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,708.28 : 18,439,783.67 = 5,099,241.93 : x
  2. Step 2: Convert to fraction form
    12,287,708.28/18,439,783.67 = 5,099,241.93/x
  3. Step 3: Cross multiply
    12,287,708.28x = 18,439,783.67 × 5,099,241.93
  4. Step 4: Simplify right side
    12,287,708.28x = 94,028,918,088,832.75
  5. Step 5: Solve for x
    x = 94,028,918,088,832.75/12,287,708.28
  6. Step 6: Final answer
    x = 7,652,274.61

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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.