Home / 30,640,072.67-42,282,027.95-16,701,121.02

Finding the Fourth Proportional to 30,640,072.67, 42,282,027.95 and 16,701,121.02

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Solution

The fourth proportional to 30,640,072.67, 42,282,027.95 and 16,701,121.02 is: 23,046,853.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640,072.67 : 42,282,027.95 = 16,701,121.02 : x
  2. Step 2: Convert to fraction form
    30,640,072.67/42,282,027.95 = 16,701,121.02/x
  3. Step 3: Cross multiply
    30,640,072.67x = 42,282,027.95 × 16,701,121.02
  4. Step 4: Simplify right side
    30,640,072.67x = 706,157,265,680,466.88
  5. Step 5: Solve for x
    x = 706,157,265,680,466.88/30,640,072.67
  6. Step 6: Final answer
    x = 23,046,853.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.