Home / 12,048,208.48-18,072,319.20-7,563,633.76

Finding the Fourth Proportional to 12,048,208.48, 18,072,319.20 and 7,563,633.76

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Solution

The fourth proportional to 12,048,208.48, 18,072,319.20 and 7,563,633.76 is: 11,345,454.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,208.48 : 18,072,319.20 = 7,563,633.76 : x
  2. Step 2: Convert to fraction form
    12,048,208.48/18,072,319.20 = 7,563,633.76/x
  3. Step 3: Cross multiply
    12,048,208.48x = 18,072,319.20 × 7,563,633.76
  4. Step 4: Simplify right side
    12,048,208.48x = 136,692,403,622,616.19
  5. Step 5: Solve for x
    x = 136,692,403,622,616.19/12,048,208.48
  6. Step 6: Final answer
    x = 11,345,454.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.