Home / 12,529,004.20-18,807,503.10-11,706,692.20

Finding the Fourth Proportional to 12,529,004.20, 18,807,503.10 and 11,706,692.20

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Solution

The fourth proportional to 12,529,004.20, 18,807,503.10 and 11,706,692.20 is: 17,573,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529,004.20 : 18,807,503.10 = 11,706,692.20 : x
  2. Step 2: Convert to fraction form
    12,529,004.20/18,807,503.10 = 11,706,692.20/x
  3. Step 3: Cross multiply
    12,529,004.20x = 18,807,503.10 × 11,706,692.20
  4. Step 4: Simplify right side
    12,529,004.20x = 220,173,649,842,245.81
  5. Step 5: Solve for x
    x = 220,173,649,842,245.81/12,529,004.20
  6. Step 6: Final answer
    x = 17,573,116.45

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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.