Home / 12,753,692.80-19,104,734.40-7,946,627.20

Finding the Fourth Proportional to 12,753,692.80, 19,104,734.40 and 7,946,627.20

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Solution

The fourth proportional to 12,753,692.80, 19,104,734.40 and 7,946,627.20 is: 11,903,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753,692.80 : 19,104,734.40 = 7,946,627.20 : x
  2. Step 2: Convert to fraction form
    12,753,692.80/19,104,734.40 = 7,946,627.20/x
  3. Step 3: Cross multiply
    12,753,692.80x = 19,104,734.40 × 7,946,627.20
  4. Step 4: Simplify right side
    12,753,692.80x = 151,818,202,031,815.66
  5. Step 5: Solve for x
    x = 151,818,202,031,815.66/12,753,692.80
  6. Step 6: Final answer
    x = 11,903,862.23

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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.