Home / 20,603,276.54-30,864,510.65-11,949,196.40

Finding the Fourth Proportional to 20,603,276.54, 30,864,510.65 and 11,949,196.40

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Solution

The fourth proportional to 20,603,276.54, 30,864,510.65 and 11,949,196.40 is: 17,900,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603,276.54 : 30,864,510.65 = 11,949,196.40 : x
  2. Step 2: Convert to fraction form
    20,603,276.54/30,864,510.65 = 11,949,196.40/x
  3. Step 3: Cross multiply
    20,603,276.54x = 30,864,510.65 × 11,949,196.40
  4. Step 4: Simplify right side
    20,603,276.54x = 368,806,099,546,741.62
  5. Step 5: Solve for x
    x = 368,806,099,546,741.62/20,603,276.54
  6. Step 6: Final answer
    x = 17,900,361.57

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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.