Home / 12,096,368.70-18,181,877.85-11,872,419.90

Finding the Fourth Proportional to 12,096,368.70, 18,181,877.85 and 11,872,419.90

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Solution

The fourth proportional to 12,096,368.70, 18,181,877.85 and 11,872,419.90 is: 17,845,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,368.70 : 18,181,877.85 = 11,872,419.90 : x
  2. Step 2: Convert to fraction form
    12,096,368.70/18,181,877.85 = 11,872,419.90/x
  3. Step 3: Cross multiply
    12,096,368.70x = 18,181,877.85 × 11,872,419.90
  4. Step 4: Simplify right side
    12,096,368.70x = 215,862,888,405,709.25
  5. Step 5: Solve for x
    x = 215,862,888,405,709.25/12,096,368.70
  6. Step 6: Final answer
    x = 17,845,263.63

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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.