Home / 12,596,485.50-18,893,228.13-7,412,193.90

Finding the Fourth Proportional to 12,596,485.50, 18,893,228.13 and 7,412,193.90

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Solution

The fourth proportional to 12,596,485.50, 18,893,228.13 and 7,412,193.90 is: 11,117,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,485.50 : 18,893,228.13 = 7,412,193.90 : x
  2. Step 2: Convert to fraction form
    12,596,485.50/18,893,228.13 = 7,412,193.90/x
  3. Step 3: Cross multiply
    12,596,485.50x = 18,893,228.13 × 7,412,193.90
  4. Step 4: Simplify right side
    12,596,485.50x = 140,040,270,296,494.41
  5. Step 5: Solve for x
    x = 140,040,270,296,494.41/12,596,485.50
  6. Step 6: Final answer
    x = 11,117,408.13

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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.