Home / 12,179,750.90-18,273,705.10-3,982,771.11

Finding the Fourth Proportional to 12,179,750.90, 18,273,705.10 and 3,982,771.11

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Solution

The fourth proportional to 12,179,750.90, 18,273,705.10 and 3,982,771.11 is: 5,975,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179,750.90 : 18,273,705.10 = 3,982,771.11 : x
  2. Step 2: Convert to fraction form
    12,179,750.90/18,273,705.10 = 3,982,771.11/x
  3. Step 3: Cross multiply
    12,179,750.90x = 18,273,705.10 × 3,982,771.11
  4. Step 4: Simplify right side
    12,179,750.90x = 72,779,984,803,509.12
  5. Step 5: Solve for x
    x = 72,779,984,803,509.12/12,179,750.90
  6. Step 6: Final answer
    x = 5,975,490.42

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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.