Home / 20,222,692.10-30,334,038.15-13,420,247.30

Finding the Fourth Proportional to 20,222,692.10, 30,334,038.15 and 13,420,247.30

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Solution

The fourth proportional to 20,222,692.10, 30,334,038.15 and 13,420,247.30 is: 20,130,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222,692.10 : 30,334,038.15 = 13,420,247.30 : x
  2. Step 2: Convert to fraction form
    20,222,692.10/30,334,038.15 = 13,420,247.30/x
  3. Step 3: Cross multiply
    20,222,692.10x = 30,334,038.15 × 13,420,247.30
  4. Step 4: Simplify right side
    20,222,692.10x = 407,090,293,580,634.50
  5. Step 5: Solve for x
    x = 407,090,293,580,634.50/20,222,692.10
  6. Step 6: Final answer
    x = 20,130,370.95

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1.5x scale

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.