Home / 28,672,285.40-43,008,428.10-12,747,037.40

Finding the Fourth Proportional to 28,672,285.40, 43,008,428.10 and 12,747,037.40

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Solution

The fourth proportional to 28,672,285.40, 43,008,428.10 and 12,747,037.40 is: 19,120,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672,285.40 : 43,008,428.10 = 12,747,037.40 : x
  2. Step 2: Convert to fraction form
    28,672,285.40/43,008,428.10 = 12,747,037.40/x
  3. Step 3: Cross multiply
    28,672,285.40x = 43,008,428.10 × 12,747,037.40
  4. Step 4: Simplify right side
    28,672,285.40x = 548,230,041,505,911
  5. Step 5: Solve for x
    x = 548,230,041,505,911/28,672,285.40
  6. Step 6: Final answer
    x = 19,120,556.10

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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.