Home / 12,720,036.99-19,080,159.83-3,622,123.37

Finding the Fourth Proportional to 12,720,036.99, 19,080,159.83 and 3,622,123.37

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Solution

The fourth proportional to 12,720,036.99, 19,080,159.83 and 3,622,123.37 is: 5,433,214.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,720,036.99 : 19,080,159.83 = 3,622,123.37 : x
  2. Step 2: Convert to fraction form
    12,720,036.99/19,080,159.83 = 3,622,123.37/x
  3. Step 3: Cross multiply
    12,720,036.99x = 19,080,159.83 × 3,622,123.37
  4. Step 4: Simplify right side
    12,720,036.99x = 69,110,692,866,750.97
  5. Step 5: Solve for x
    x = 69,110,692,866,750.97/12,720,036.99
  6. Step 6: Final answer
    x = 5,433,214.77

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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.