Home / 12,318,540.32-16,999,695.72-6,812,285.60

Finding the Fourth Proportional to 12,318,540.32, 16,999,695.72 and 6,812,285.60

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Solution

The fourth proportional to 12,318,540.32, 16,999,695.72 and 6,812,285.60 is: 9,401,015.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,540.32 : 16,999,695.72 = 6,812,285.60 : x
  2. Step 2: Convert to fraction form
    12,318,540.32/16,999,695.72 = 6,812,285.60/x
  3. Step 3: Cross multiply
    12,318,540.32x = 16,999,695.72 × 6,812,285.60
  4. Step 4: Simplify right side
    12,318,540.32x = 115,806,782,323,676.20
  5. Step 5: Solve for x
    x = 115,806,782,323,676.20/12,318,540.32
  6. Step 6: Final answer
    x = 9,401,015.00

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1.5x scale

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.