Home / 15,442,690.65-21,302,059.09-9,631,383.27

Finding the Fourth Proportional to 15,442,690.65, 21,302,059.09 and 9,631,383.27

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Solution

The fourth proportional to 15,442,690.65, 21,302,059.09 and 9,631,383.27 is: 13,285,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,690.65 : 21,302,059.09 = 9,631,383.27 : x
  2. Step 2: Convert to fraction form
    15,442,690.65/21,302,059.09 = 9,631,383.27/x
  3. Step 3: Cross multiply
    15,442,690.65x = 21,302,059.09 × 9,631,383.27
  4. Step 4: Simplify right side
    15,442,690.65x = 205,168,295,535,977.41
  5. Step 5: Solve for x
    x = 205,168,295,535,977.41/15,442,690.65
  6. Step 6: Final answer
    x = 13,285,786.80

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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.