Home / 15,183,819.07-20,953,670.31-8,308,301.14

Finding the Fourth Proportional to 15,183,819.07, 20,953,670.31 and 8,308,301.14

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Solution

The fourth proportional to 15,183,819.07, 20,953,670.31 and 8,308,301.14 is: 11,465,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183,819.07 : 20,953,670.31 = 8,308,301.14 : x
  2. Step 2: Convert to fraction form
    15,183,819.07/20,953,670.31 = 8,308,301.14/x
  3. Step 3: Cross multiply
    15,183,819.07x = 20,953,670.31 × 8,308,301.14
  4. Step 4: Simplify right side
    15,183,819.07x = 174,089,402,923,757.12
  5. Step 5: Solve for x
    x = 174,089,402,923,757.12/15,183,819.07
  6. Step 6: Final answer
    x = 11,465,455.57

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1.5x scale

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.