Home / 12,871,026.60-19,306,244.70-6,479,562.60

Finding the Fourth Proportional to 12,871,026.60, 19,306,244.70 and 6,479,562.60

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Solution

The fourth proportional to 12,871,026.60, 19,306,244.70 and 6,479,562.60 is: 9,719,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,871,026.60 : 19,306,244.70 = 6,479,562.60 : x
  2. Step 2: Convert to fraction form
    12,871,026.60/19,306,244.70 = 6,479,562.60/x
  3. Step 3: Cross multiply
    12,871,026.60x = 19,306,244.70 × 6,479,562.60
  4. Step 4: Simplify right side
    12,871,026.60x = 125,096,021,104,568.20
  5. Step 5: Solve for x
    x = 125,096,021,104,568.20/12,871,026.60
  6. Step 6: Final answer
    x = 9,719,195.29

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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.