Home / 12,059,076.80-18,082,394.40-4,482,142.40

Finding the Fourth Proportional to 12,059,076.80, 18,082,394.40 and 4,482,142.40

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Solution

The fourth proportional to 12,059,076.80, 18,082,394.40 and 4,482,142.40 is: 6,720,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059,076.80 : 18,082,394.40 = 4,482,142.40 : x
  2. Step 2: Convert to fraction form
    12,059,076.80/18,082,394.40 = 4,482,142.40/x
  3. Step 3: Cross multiply
    12,059,076.80x = 18,082,394.40 × 4,482,142.40
  4. Step 4: Simplify right side
    12,059,076.80x = 81,047,866,633,762.56
  5. Step 5: Solve for x
    x = 81,047,866,633,762.56/12,059,076.80
  6. Step 6: Final answer
    x = 6,720,901.44

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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.