Home / 7,121,980.56-9,828,748.44-4,024,425

Finding the Fourth Proportional to 7,121,980.56, 9,828,748.44 and 4,024,425

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Solution

The fourth proportional to 7,121,980.56, 9,828,748.44 and 4,024,425 is: 5,553,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,980.56 : 9,828,748.44 = 4,024,425 : x
  2. Step 2: Convert to fraction form
    7,121,980.56/9,828,748.44 = 4,024,425/x
  3. Step 3: Cross multiply
    7,121,980.56x = 9,828,748.44 × 4,024,425
  4. Step 4: Simplify right side
    7,121,980.56x = 39,555,060,940,647
  5. Step 5: Solve for x
    x = 39,555,060,940,647/7,121,980.56
  6. Step 6: Final answer
    x = 5,553,941.16

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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.