Home / 7,120,243.61-9,823,519.10-4,022,314.37

Finding the Fourth Proportional to 7,120,243.61, 9,823,519.10 and 4,022,314.37

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Solution

The fourth proportional to 7,120,243.61, 9,823,519.10 and 4,022,314.37 is: 5,549,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,243.61 : 9,823,519.10 = 4,022,314.37 : x
  2. Step 2: Convert to fraction form
    7,120,243.61/9,823,519.10 = 4,022,314.37/x
  3. Step 3: Cross multiply
    7,120,243.61x = 9,823,519.10 × 4,022,314.37
  4. Step 4: Simplify right side
    7,120,243.61x = 39,513,281,970,670.30
  5. Step 5: Solve for x
    x = 39,513,281,970,670.30/7,120,243.61
  6. Step 6: Final answer
    x = 5,549,428.39

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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.