Home / 12,509,492.96-18,765,639.52-3,987,852.32

Finding the Fourth Proportional to 12,509,492.96, 18,765,639.52 and 3,987,852.32

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Solution

The fourth proportional to 12,509,492.96, 18,765,639.52 and 3,987,852.32 is: 5,982,224.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509,492.96 : 18,765,639.52 = 3,987,852.32 : x
  2. Step 2: Convert to fraction form
    12,509,492.96/18,765,639.52 = 3,987,852.32/x
  3. Step 3: Cross multiply
    12,509,492.96x = 18,765,639.52 × 3,987,852.32
  4. Step 4: Simplify right side
    12,509,492.96x = 74,834,599,096,115.69
  5. Step 5: Solve for x
    x = 74,834,599,096,115.69/12,509,492.96
  6. Step 6: Final answer
    x = 5,982,224.81

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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.