Home / 28,486,048.20-39,271,703.21-18,026,861.64

Finding the Fourth Proportional to 28,486,048.20, 39,271,703.21 and 18,026,861.64

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Solution

The fourth proportional to 28,486,048.20, 39,271,703.21 and 18,026,861.64 is: 24,852,361.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486,048.20 : 39,271,703.21 = 18,026,861.64 : x
  2. Step 2: Convert to fraction form
    28,486,048.20/39,271,703.21 = 18,026,861.64/x
  3. Step 3: Cross multiply
    28,486,048.20x = 39,271,703.21 × 18,026,861.64
  4. Step 4: Simplify right side
    28,486,048.20x = 707,945,560,133,813.88
  5. Step 5: Solve for x
    x = 707,945,560,133,813.88/28,486,048.20
  6. Step 6: Final answer
    x = 24,852,361.24

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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.