Home / 7,235,468.32-9,985,892.88-4,179,707.68

Finding the Fourth Proportional to 7,235,468.32, 9,985,892.88 and 4,179,707.68

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Solution

The fourth proportional to 7,235,468.32, 9,985,892.88 and 4,179,707.68 is: 5,768,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235,468.32 : 9,985,892.88 = 4,179,707.68 : x
  2. Step 2: Convert to fraction form
    7,235,468.32/9,985,892.88 = 4,179,707.68/x
  3. Step 3: Cross multiply
    7,235,468.32x = 9,985,892.88 × 4,179,707.68
  4. Step 4: Simplify right side
    7,235,468.32x = 41,738,113,162,193.32
  5. Step 5: Solve for x
    x = 41,738,113,162,193.32/7,235,468.32
  6. Step 6: Final answer
    x = 5,768,543.42

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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.