Home / 28,421,324.23-42,633,536.90-8,989,098.98

Finding the Fourth Proportional to 28,421,324.23, 42,633,536.90 and 8,989,098.98

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Solution

The fourth proportional to 28,421,324.23, 42,633,536.90 and 8,989,098.98 is: 13,484,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,421,324.23 : 42,633,536.90 = 8,989,098.98 : x
  2. Step 2: Convert to fraction form
    28,421,324.23/42,633,536.90 = 8,989,098.98/x
  3. Step 3: Cross multiply
    28,421,324.23x = 42,633,536.90 × 8,989,098.98
  4. Step 4: Simplify right side
    28,421,324.23x = 383,237,083,081,198.88
  5. Step 5: Solve for x
    x = 383,237,083,081,198.88/28,421,324.23
  6. Step 6: Final answer
    x = 13,484,138.88

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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.