Home / 8,076,418.80-12,121,237.80-8,013,433.20

Finding the Fourth Proportional to 8,076,418.80, 12,121,237.80 and 8,013,433.20

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Solution

The fourth proportional to 8,076,418.80, 12,121,237.80 and 8,013,433.20 is: 12,026,707.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,418.80 : 12,121,237.80 = 8,013,433.20 : x
  2. Step 2: Convert to fraction form
    8,076,418.80/12,121,237.80 = 8,013,433.20/x
  3. Step 3: Cross multiply
    8,076,418.80x = 12,121,237.80 × 8,013,433.20
  4. Step 4: Simplify right side
    8,076,418.80x = 97,132,729,411,614.97
  5. Step 5: Solve for x
    x = 97,132,729,411,614.97/8,076,418.80
  6. Step 6: Final answer
    x = 12,026,707.85

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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.