Home / 6,978,161.12-9,630,313.56-4,038,570.56

Finding the Fourth Proportional to 6,978,161.12, 9,630,313.56 and 4,038,570.56

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Solution

The fourth proportional to 6,978,161.12, 9,630,313.56 and 4,038,570.56 is: 5,573,488.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978,161.12 : 9,630,313.56 = 4,038,570.56 : x
  2. Step 2: Convert to fraction form
    6,978,161.12/9,630,313.56 = 4,038,570.56/x
  3. Step 3: Cross multiply
    6,978,161.12x = 9,630,313.56 × 4,038,570.56
  4. Step 4: Simplify right side
    6,978,161.12x = 38,892,700,826,984.80
  5. Step 5: Solve for x
    x = 38,892,700,826,984.80/6,978,161.12
  6. Step 6: Final answer
    x = 5,573,488.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.