Home / 21,743,416.40-32,640,007.80-12,773,022.80

Finding the Fourth Proportional to 21,743,416.40, 32,640,007.80 and 12,773,022.80

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Solution

The fourth proportional to 21,743,416.40, 32,640,007.80 and 12,773,022.80 is: 19,174,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743,416.40 : 32,640,007.80 = 12,773,022.80 : x
  2. Step 2: Convert to fraction form
    21,743,416.40/32,640,007.80 = 12,773,022.80/x
  3. Step 3: Cross multiply
    21,743,416.40x = 32,640,007.80 × 12,773,022.80
  4. Step 4: Simplify right side
    21,743,416.40x = 416,911,563,821,577.88
  5. Step 5: Solve for x
    x = 416,911,563,821,577.88/21,743,416.40
  6. Step 6: Final answer
    x = 19,174,151.67

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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.