Home / 30,701,849.44-42,353,256.85-18,303,206.37

Finding the Fourth Proportional to 30,701,849.44, 42,353,256.85 and 18,303,206.37

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Solution

The fourth proportional to 30,701,849.44, 42,353,256.85 and 18,303,206.37 is: 25,249,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,701,849.44 : 42,353,256.85 = 18,303,206.37 : x
  2. Step 2: Convert to fraction form
    30,701,849.44/42,353,256.85 = 18,303,206.37/x
  3. Step 3: Cross multiply
    30,701,849.44x = 42,353,256.85 × 18,303,206.37
  4. Step 4: Simplify right side
    30,701,849.44x = 775,200,400,481,723.12
  5. Step 5: Solve for x
    x = 775,200,400,481,723.12/30,701,849.44
  6. Step 6: Final answer
    x = 25,249,306.30

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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.