Home / 13,288,461.80-19,932,692.70-11,375,274.20

Finding the Fourth Proportional to 13,288,461.80, 19,932,692.70 and 11,375,274.20

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Solution

The fourth proportional to 13,288,461.80, 19,932,692.70 and 11,375,274.20 is: 17,062,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,461.80 : 19,932,692.70 = 11,375,274.20 : x
  2. Step 2: Convert to fraction form
    13,288,461.80/19,932,692.70 = 11,375,274.20/x
  3. Step 3: Cross multiply
    13,288,461.80x = 19,932,692.70 × 11,375,274.20
  4. Step 4: Simplify right side
    13,288,461.80x = 226,739,845,006,838.31
  5. Step 5: Solve for x
    x = 226,739,845,006,838.31/13,288,461.80
  6. Step 6: Final answer
    x = 17,062,911.30

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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.