Home / 30,565,734.36-42,200,075.56-18,975,596.64

Finding the Fourth Proportional to 30,565,734.36, 42,200,075.56 and 18,975,596.64

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Solution

The fourth proportional to 30,565,734.36, 42,200,075.56 and 18,975,596.64 is: 26,198,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,565,734.36 : 42,200,075.56 = 18,975,596.64 : x
  2. Step 2: Convert to fraction form
    30,565,734.36/42,200,075.56 = 18,975,596.64/x
  3. Step 3: Cross multiply
    30,565,734.36x = 42,200,075.56 × 18,975,596.64
  4. Step 4: Simplify right side
    30,565,734.36x = 800,771,612,124,725.75
  5. Step 5: Solve for x
    x = 800,771,612,124,725.75/30,565,734.36
  6. Step 6: Final answer
    x = 26,198,343.63

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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.