Home / 15,183,818.07-20,953,668.93-8,308,300.14

Finding the Fourth Proportional to 15,183,818.07, 20,953,668.93 and 8,308,300.14

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Solution

The fourth proportional to 15,183,818.07, 20,953,668.93 and 8,308,300.14 is: 11,465,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183,818.07 : 20,953,668.93 = 8,308,300.14 : x
  2. Step 2: Convert to fraction form
    15,183,818.07/20,953,668.93 = 8,308,300.14/x
  3. Step 3: Cross multiply
    15,183,818.07x = 20,953,668.93 × 8,308,300.14
  4. Step 4: Simplify right side
    15,183,818.07x = 174,089,370,504,632.66
  5. Step 5: Solve for x
    x = 174,089,370,504,632.66/15,183,818.07
  6. Step 6: Final answer
    x = 11,465,454.19

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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.