Home / 12,323,502.40-18,485,675.20-4,236,408.94

Finding the Fourth Proportional to 12,323,502.40, 18,485,675.20 and 4,236,408.94

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Solution

The fourth proportional to 12,323,502.40, 18,485,675.20 and 4,236,408.94 is: 6,354,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323,502.40 : 18,485,675.20 = 4,236,408.94 : x
  2. Step 2: Convert to fraction form
    12,323,502.40/18,485,675.20 = 4,236,408.94/x
  3. Step 3: Cross multiply
    12,323,502.40x = 18,485,675.20 × 4,236,408.94
  4. Step 4: Simplify right side
    12,323,502.40x = 78,312,879,679,216.30
  5. Step 5: Solve for x
    x = 78,312,879,679,216.30/12,323,502.40
  6. Step 6: Final answer
    x = 6,354,758.34

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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.