Home / 12,074,560.20-18,111,840.30-12,003,701.40

Finding the Fourth Proportional to 12,074,560.20, 18,111,840.30 and 12,003,701.40

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Solution

The fourth proportional to 12,074,560.20, 18,111,840.30 and 12,003,701.40 is: 18,005,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,560.20 : 18,111,840.30 = 12,003,701.40 : x
  2. Step 2: Convert to fraction form
    12,074,560.20/18,111,840.30 = 12,003,701.40/x
  3. Step 3: Cross multiply
    12,074,560.20x = 18,111,840.30 × 12,003,701.40
  4. Step 4: Simplify right side
    12,074,560.20x = 217,409,122,765,686.44
  5. Step 5: Solve for x
    x = 217,409,122,765,686.44/12,074,560.20
  6. Step 6: Final answer
    x = 18,005,552.10

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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.