Home / 13,006,706-19,505,923.80-12,157,579.28

Finding the Fourth Proportional to 13,006,706, 19,505,923.80 and 12,157,579.28

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Solution

The fourth proportional to 13,006,706, 19,505,923.80 and 12,157,579.28 is: 18,232,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006,706 : 19,505,923.80 = 12,157,579.28 : x
  2. Step 2: Convert to fraction form
    13,006,706/19,505,923.80 = 12,157,579.28/x
  3. Step 3: Cross multiply
    13,006,706x = 19,505,923.80 × 12,157,579.28
  4. Step 4: Simplify right side
    13,006,706x = 237,144,815,028,138.88
  5. Step 5: Solve for x
    x = 237,144,815,028,138.88/13,006,706
  6. Step 6: Final answer
    x = 18,232,503.68

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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.