Home / 30,310,078.51-45,433,361.45-14,122,679.95

Finding the Fourth Proportional to 30,310,078.51, 45,433,361.45 and 14,122,679.95

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Solution

The fourth proportional to 30,310,078.51, 45,433,361.45 and 14,122,679.95 is: 21,169,223.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,078.51 : 45,433,361.45 = 14,122,679.95 : x
  2. Step 2: Convert to fraction form
    30,310,078.51/45,433,361.45 = 14,122,679.95/x
  3. Step 3: Cross multiply
    30,310,078.51x = 45,433,361.45 × 14,122,679.95
  4. Step 4: Simplify right side
    30,310,078.51x = 641,640,822,740,404.50
  5. Step 5: Solve for x
    x = 641,640,822,740,404.50/30,310,078.51
  6. Step 6: Final answer
    x = 21,169,223.38

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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.