Home / 13,010,936.80-19,502,408.40-4,920,786.40

Finding the Fourth Proportional to 13,010,936.80, 19,502,408.40 and 4,920,786.40

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Solution

The fourth proportional to 13,010,936.80, 19,502,408.40 and 4,920,786.40 is: 7,375,885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010,936.80 : 19,502,408.40 = 4,920,786.40 : x
  2. Step 2: Convert to fraction form
    13,010,936.80/19,502,408.40 = 4,920,786.40/x
  3. Step 3: Cross multiply
    13,010,936.80x = 19,502,408.40 × 4,920,786.40
  4. Step 4: Simplify right side
    13,010,936.80x = 95,967,186,021,965.77
  5. Step 5: Solve for x
    x = 95,967,186,021,965.77/13,010,936.80
  6. Step 6: Final answer
    x = 7,375,885.96

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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.