Home / 12,076,804.80-18,136,202.40-6,408,100.80

Finding the Fourth Proportional to 12,076,804.80, 18,136,202.40 and 6,408,100.80

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Solution

The fourth proportional to 12,076,804.80, 18,136,202.40 and 6,408,100.80 is: 9,623,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076,804.80 : 18,136,202.40 = 6,408,100.80 : x
  2. Step 2: Convert to fraction form
    12,076,804.80/18,136,202.40 = 6,408,100.80/x
  3. Step 3: Cross multiply
    12,076,804.80x = 18,136,202.40 × 6,408,100.80
  4. Step 4: Simplify right side
    12,076,804.80x = 116,218,613,108,401.91
  5. Step 5: Solve for x
    x = 116,218,613,108,401.91/12,076,804.80
  6. Step 6: Final answer
    x = 9,623,291.51

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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.