Home / 28,271,215.37-42,401,774.93-7,521,772.73

Finding the Fourth Proportional to 28,271,215.37, 42,401,774.93 and 7,521,772.73

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Solution

The fourth proportional to 28,271,215.37, 42,401,774.93 and 7,521,772.73 is: 11,281,315.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271,215.37 : 42,401,774.93 = 7,521,772.73 : x
  2. Step 2: Convert to fraction form
    28,271,215.37/42,401,774.93 = 7,521,772.73/x
  3. Step 3: Cross multiply
    28,271,215.37x = 42,401,774.93 × 7,521,772.73
  4. Step 4: Simplify right side
    28,271,215.37x = 318,936,514,122,453.88
  5. Step 5: Solve for x
    x = 318,936,514,122,453.88/28,271,215.37
  6. Step 6: Final answer
    x = 11,281,315.99

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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.