Home / 28,544,798.79-39,392,105.90-15,492,173.67

Finding the Fourth Proportional to 28,544,798.79, 39,392,105.90 and 15,492,173.67

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Solution

The fourth proportional to 28,544,798.79, 39,392,105.90 and 15,492,173.67 is: 21,379,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544,798.79 : 39,392,105.90 = 15,492,173.67 : x
  2. Step 2: Convert to fraction form
    28,544,798.79/39,392,105.90 = 15,492,173.67/x
  3. Step 3: Cross multiply
    28,544,798.79x = 39,392,105.90 × 15,492,173.67
  4. Step 4: Simplify right side
    28,544,798.79x = 610,269,345,752,370.88
  5. Step 5: Solve for x
    x = 610,269,345,752,370.88/28,544,798.79
  6. Step 6: Final answer
    x = 21,379,353.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.