Home / 7,379,045.21-10,182,643.92-4,281,328.61

Finding the Fourth Proportional to 7,379,045.21, 10,182,643.92 and 4,281,328.61

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Solution

The fourth proportional to 7,379,045.21, 10,182,643.92 and 4,281,328.61 is: 5,907,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379,045.21 : 10,182,643.92 = 4,281,328.61 : x
  2. Step 2: Convert to fraction form
    7,379,045.21/10,182,643.92 = 4,281,328.61/x
  3. Step 3: Cross multiply
    7,379,045.21x = 10,182,643.92 × 4,281,328.61
  4. Step 4: Simplify right side
    7,379,045.21x = 43,595,244,740,138.55
  5. Step 5: Solve for x
    x = 43,595,244,740,138.55/7,379,045.21
  6. Step 6: Final answer
    x = 5,907,979.08

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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.