Home / 10,902,920.10-16,336,009.35-8,619,692.10

Finding the Fourth Proportional to 10,902,920.10, 16,336,009.35 and 8,619,692.10

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Solution

The fourth proportional to 10,902,920.10, 16,336,009.35 and 8,619,692.10 is: 12,915,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,920.10 : 16,336,009.35 = 8,619,692.10 : x
  2. Step 2: Convert to fraction form
    10,902,920.10/16,336,009.35 = 8,619,692.10/x
  3. Step 3: Cross multiply
    10,902,920.10x = 16,336,009.35 × 8,619,692.10
  4. Step 4: Simplify right side
    10,902,920.10x = 140,811,370,739,721.12
  5. Step 5: Solve for x
    x = 140,811,370,739,721.12/10,902,920.10
  6. Step 6: Final answer
    x = 12,915,014.46

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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.