Home / 20,947,759.84-28,907,455.45-12,127,583.02

Finding the Fourth Proportional to 20,947,759.84, 28,907,455.45 and 12,127,583.02

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Solution

The fourth proportional to 20,947,759.84, 28,907,455.45 and 12,127,583.02 is: 16,735,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,947,759.84 : 28,907,455.45 = 12,127,583.02 : x
  2. Step 2: Convert to fraction form
    20,947,759.84/28,907,455.45 = 12,127,583.02/x
  3. Step 3: Cross multiply
    20,947,759.84x = 28,907,455.45 × 12,127,583.02
  4. Step 4: Simplify right side
    20,947,759.84x = 350,577,565,661,651.31
  5. Step 5: Solve for x
    x = 350,577,565,661,651.31/20,947,759.84
  6. Step 6: Final answer
    x = 16,735,802.22

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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.