Home / 12,269,429.30-18,404,143.95-8,850,492.20

Finding the Fourth Proportional to 12,269,429.30, 18,404,143.95 and 8,850,492.20

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Solution

The fourth proportional to 12,269,429.30, 18,404,143.95 and 8,850,492.20 is: 13,275,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,429.30 : 18,404,143.95 = 8,850,492.20 : x
  2. Step 2: Convert to fraction form
    12,269,429.30/18,404,143.95 = 8,850,492.20/x
  3. Step 3: Cross multiply
    12,269,429.30x = 18,404,143.95 × 8,850,492.20
  4. Step 4: Simplify right side
    12,269,429.30x = 162,885,732,477,152.16
  5. Step 5: Solve for x
    x = 162,885,732,477,152.16/12,269,429.30
  6. Step 6: Final answer
    x = 13,275,738.30

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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.