Home / 37,819,312.80-56,791,954.80-20,792,205.60

Finding the Fourth Proportional to 37,819,312.80, 56,791,954.80 and 20,792,205.60

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Solution

The fourth proportional to 37,819,312.80, 56,791,954.80 and 20,792,205.60 is: 31,222,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,819,312.80 : 56,791,954.80 = 20,792,205.60 : x
  2. Step 2: Convert to fraction form
    37,819,312.80/56,791,954.80 = 20,792,205.60/x
  3. Step 3: Cross multiply
    37,819,312.80x = 56,791,954.80 × 20,792,205.60
  4. Step 4: Simplify right side
    37,819,312.80x = 1,180,830,000,627,507
  5. Step 5: Solve for x
    x = 1,180,830,000,627,507/37,819,312.80
  6. Step 6: Final answer
    x = 31,222,936.46

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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.