Home / 30,696,692.52-42,360,325.44-16,945,361.40

Finding the Fourth Proportional to 30,696,692.52, 42,360,325.44 and 16,945,361.40

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Solution

The fourth proportional to 30,696,692.52, 42,360,325.44 and 16,945,361.40 is: 23,383,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,696,692.52 : 42,360,325.44 = 16,945,361.40 : x
  2. Step 2: Convert to fraction form
    30,696,692.52/42,360,325.44 = 16,945,361.40/x
  3. Step 3: Cross multiply
    30,696,692.52x = 42,360,325.44 × 16,945,361.40
  4. Step 4: Simplify right side
    30,696,692.52x = 717,811,023,602,413.88
  5. Step 5: Solve for x
    x = 717,811,023,602,413.88/30,696,692.52
  6. Step 6: Final answer
    x = 23,383,985.85

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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.