Home / 21,915,471.09-30,244,241.42-12,125,756.01

Finding the Fourth Proportional to 21,915,471.09, 30,244,241.42 and 12,125,756.01

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Solution

The fourth proportional to 21,915,471.09, 30,244,241.42 and 12,125,756.01 is: 16,734,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,915,471.09 : 30,244,241.42 = 12,125,756.01 : x
  2. Step 2: Convert to fraction form
    21,915,471.09/30,244,241.42 = 12,125,756.01/x
  3. Step 3: Cross multiply
    21,915,471.09x = 30,244,241.42 × 12,125,756.01
  4. Step 4: Simplify right side
    21,915,471.09x = 366,734,292,105,827.12
  5. Step 5: Solve for x
    x = 366,734,292,105,827.12/21,915,471.09
  6. Step 6: Final answer
    x = 16,734,036.45

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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.