Home / 12,018,646.20-17,994,791.70-9,364,438.20

Finding the Fourth Proportional to 12,018,646.20, 17,994,791.70 and 9,364,438.20

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Solution

The fourth proportional to 12,018,646.20, 17,994,791.70 and 9,364,438.20 is: 14,020,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,646.20 : 17,994,791.70 = 9,364,438.20 : x
  2. Step 2: Convert to fraction form
    12,018,646.20/17,994,791.70 = 9,364,438.20/x
  3. Step 3: Cross multiply
    12,018,646.20x = 17,994,791.70 × 9,364,438.20
  4. Step 4: Simplify right side
    12,018,646.20x = 168,511,114,796,522.91
  5. Step 5: Solve for x
    x = 168,511,114,796,522.91/12,018,646.20
  6. Step 6: Final answer
    x = 14,020,806.67

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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.