Home / 12,096,745.20-18,145,117.80-12,012,764.40

Finding the Fourth Proportional to 12,096,745.20, 18,145,117.80 and 12,012,764.40

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Solution

The fourth proportional to 12,096,745.20, 18,145,117.80 and 12,012,764.40 is: 18,019,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,745.20 : 18,145,117.80 = 12,012,764.40 : x
  2. Step 2: Convert to fraction form
    12,096,745.20/18,145,117.80 = 12,012,764.40/x
  3. Step 3: Cross multiply
    12,096,745.20x = 18,145,117.80 × 12,012,764.40
  4. Step 4: Simplify right side
    12,096,745.20x = 217,973,025,141,646.34
  5. Step 5: Solve for x
    x = 217,973,025,141,646.34/12,096,745.20
  6. Step 6: Final answer
    x = 18,019,146.60

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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.