Home / 30,211,868.66-45,317,761.74-14,028,970.70

Finding the Fourth Proportional to 30,211,868.66, 45,317,761.74 and 14,028,970.70

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Solution

The fourth proportional to 30,211,868.66, 45,317,761.74 and 14,028,970.70 is: 21,043,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,211,868.66 : 45,317,761.74 = 14,028,970.70 : x
  2. Step 2: Convert to fraction form
    30,211,868.66/45,317,761.74 = 14,028,970.70/x
  3. Step 3: Cross multiply
    30,211,868.66x = 45,317,761.74 × 14,028,970.70
  4. Step 4: Simplify right side
    30,211,868.66x = 635,761,551,640,041
  5. Step 5: Solve for x
    x = 635,761,551,640,041/30,211,868.66
  6. Step 6: Final answer
    x = 21,043,436.90

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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.