Home / 30,213,426.20-45,320,139.30-26,103,615.80

Finding the Fourth Proportional to 30,213,426.20, 45,320,139.30 and 26,103,615.80

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Solution

The fourth proportional to 30,213,426.20, 45,320,139.30 and 26,103,615.80 is: 39,155,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213,426.20 : 45,320,139.30 = 26,103,615.80 : x
  2. Step 2: Convert to fraction form
    30,213,426.20/45,320,139.30 = 26,103,615.80/x
  3. Step 3: Cross multiply
    30,213,426.20x = 45,320,139.30 × 26,103,615.80
  4. Step 4: Simplify right side
    30,213,426.20x = 1,183,019,504,289,681
  5. Step 5: Solve for x
    x = 1,183,019,504,289,681/30,213,426.20
  6. Step 6: Final answer
    x = 39,155,423.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.