Home / 21,268,246.03-29,350,299.09-12,100,888.78

Finding the Fourth Proportional to 21,268,246.03, 29,350,299.09 and 12,100,888.78

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Solution

The fourth proportional to 21,268,246.03, 29,350,299.09 and 12,100,888.78 is: 16,699,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,268,246.03 : 29,350,299.09 = 12,100,888.78 : x
  2. Step 2: Convert to fraction form
    21,268,246.03/29,350,299.09 = 12,100,888.78/x
  3. Step 3: Cross multiply
    21,268,246.03x = 29,350,299.09 × 12,100,888.78
  4. Step 4: Simplify right side
    21,268,246.03x = 355,164,704,947,825.19
  5. Step 5: Solve for x
    x = 355,164,704,947,825.19/21,268,246.03
  6. Step 6: Final answer
    x = 16,699,294.55

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1.5x scale

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.