Home / 12,760,244.70-19,142,116.65-4,239,692.70

Finding the Fourth Proportional to 12,760,244.70, 19,142,116.65 and 4,239,692.70

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Solution

The fourth proportional to 12,760,244.70, 19,142,116.65 and 4,239,692.70 is: 6,360,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760,244.70 : 19,142,116.65 = 4,239,692.70 : x
  2. Step 2: Convert to fraction form
    12,760,244.70/19,142,116.65 = 4,239,692.70/x
  3. Step 3: Cross multiply
    12,760,244.70x = 19,142,116.65 × 4,239,692.70
  4. Step 4: Simplify right side
    12,760,244.70x = 81,156,692,223,553.45
  5. Step 5: Solve for x
    x = 81,156,692,223,553.45/12,760,244.70
  6. Step 6: Final answer
    x = 6,360,120.37

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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.