Home / 10,290,692.90-14,204,336.22-6,619,609.55

Finding the Fourth Proportional to 10,290,692.90, 14,204,336.22 and 6,619,609.55

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Solution

The fourth proportional to 10,290,692.90, 14,204,336.22 and 6,619,609.55 is: 9,137,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290,692.90 : 14,204,336.22 = 6,619,609.55 : x
  2. Step 2: Convert to fraction form
    10,290,692.90/14,204,336.22 = 6,619,609.55/x
  3. Step 3: Cross multiply
    10,290,692.90x = 14,204,336.22 × 6,619,609.55
  4. Step 4: Simplify right side
    10,290,692.90x = 94,027,159,622,301.22
  5. Step 5: Solve for x
    x = 94,027,159,622,301.22/10,290,692.90
  6. Step 6: Final answer
    x = 9,137,106.76

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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.