Home / 21,289,206.52-29,379,100.75-11,499,651.01

Finding the Fourth Proportional to 21,289,206.52, 29,379,100.75 and 11,499,651.01

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Solution

The fourth proportional to 21,289,206.52, 29,379,100.75 and 11,499,651.01 is: 15,869,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,289,206.52 : 29,379,100.75 = 11,499,651.01 : x
  2. Step 2: Convert to fraction form
    21,289,206.52/29,379,100.75 = 11,499,651.01/x
  3. Step 3: Cross multiply
    21,289,206.52x = 29,379,100.75 × 11,499,651.01
  4. Step 4: Simplify right side
    21,289,206.52x = 337,849,405,612,629.25
  5. Step 5: Solve for x
    x = 337,849,405,612,629.25/21,289,206.52
  6. Step 6: Final answer
    x = 15,869,516.10

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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.