Home / 12,124,676.20-18,194,012.70-4,552,407.40

Finding the Fourth Proportional to 12,124,676.20, 18,194,012.70 and 4,552,407.40

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Solution

The fourth proportional to 12,124,676.20, 18,194,012.70 and 4,552,407.40 is: 6,831,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,676.20 : 18,194,012.70 = 4,552,407.40 : x
  2. Step 2: Convert to fraction form
    12,124,676.20/18,194,012.70 = 4,552,407.40/x
  3. Step 3: Cross multiply
    12,124,676.20x = 18,194,012.70 × 4,552,407.40
  4. Step 4: Simplify right side
    12,124,676.20x = 82,826,558,051,173.98
  5. Step 5: Solve for x
    x = 82,826,558,051,173.98/12,124,676.20
  6. Step 6: Final answer
    x = 6,831,238.76

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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.