Home / 12,157,616.28-18,212,460.37-9,885,706.01

Finding the Fourth Proportional to 12,157,616.28, 18,212,460.37 and 9,885,706.01

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Solution

The fourth proportional to 12,157,616.28, 18,212,460.37 and 9,885,706.01 is: 14,809,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157,616.28 : 18,212,460.37 = 9,885,706.01 : x
  2. Step 2: Convert to fraction form
    12,157,616.28/18,212,460.37 = 9,885,706.01/x
  3. Step 3: Cross multiply
    12,157,616.28x = 18,212,460.37 × 9,885,706.01
  4. Step 4: Simplify right side
    12,157,616.28x = 180,043,028,820,819.28
  5. Step 5: Solve for x
    x = 180,043,028,820,819.28/12,157,616.28
  6. Step 6: Final answer
    x = 14,809,073.15

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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.