Home / 13,888,148.46-20,747,752.96-8,990,556.31

Finding the Fourth Proportional to 13,888,148.46, 20,747,752.96 and 8,990,556.31

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Solution

The fourth proportional to 13,888,148.46, 20,747,752.96 and 8,990,556.31 is: 13,431,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888,148.46 : 20,747,752.96 = 8,990,556.31 : x
  2. Step 2: Convert to fraction form
    13,888,148.46/20,747,752.96 = 8,990,556.31/x
  3. Step 3: Cross multiply
    13,888,148.46x = 20,747,752.96 × 8,990,556.31
  4. Step 4: Simplify right side
    13,888,148.46x = 186,533,841,292,849.19
  5. Step 5: Solve for x
    x = 186,533,841,292,849.19/13,888,148.46
  6. Step 6: Final answer
    x = 13,431,152.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.