Home / 15,035,522.68-20,749,021.32-8,160,004.72

Finding the Fourth Proportional to 15,035,522.68, 20,749,021.32 and 8,160,004.72

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Solution

The fourth proportional to 15,035,522.68, 20,749,021.32 and 8,160,004.72 is: 11,260,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035,522.68 : 20,749,021.32 = 8,160,004.72 : x
  2. Step 2: Convert to fraction form
    15,035,522.68/20,749,021.32 = 8,160,004.72/x
  3. Step 3: Cross multiply
    15,035,522.68x = 20,749,021.32 × 8,160,004.72
  4. Step 4: Simplify right side
    15,035,522.68x = 169,312,111,906,580.62
  5. Step 5: Solve for x
    x = 169,312,111,906,580.62/15,035,522.68
  6. Step 6: Final answer
    x = 11,260,806.53

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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.