Home / 20,795,322.24-28,695,335.49-11,501,415.63

Finding the Fourth Proportional to 20,795,322.24, 28,695,335.49 and 11,501,415.63

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Solution

The fourth proportional to 20,795,322.24, 28,695,335.49 and 11,501,415.63 is: 15,870,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795,322.24 : 28,695,335.49 = 11,501,415.63 : x
  2. Step 2: Convert to fraction form
    20,795,322.24/28,695,335.49 = 11,501,415.63/x
  3. Step 3: Cross multiply
    20,795,322.24x = 28,695,335.49 × 11,501,415.63
  4. Step 4: Simplify right side
    20,795,322.24x = 330,036,980,112,779.69
  5. Step 5: Solve for x
    x = 330,036,980,112,779.69/20,795,322.24
  6. Step 6: Final answer
    x = 15,870,731.71

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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.