Home / 9,360,729.96-12,916,888.74-5,285,561.64

Finding the Fourth Proportional to 9,360,729.96, 12,916,888.74 and 5,285,561.64

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Solution

The fourth proportional to 9,360,729.96, 12,916,888.74 and 5,285,561.64 is: 7,293,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360,729.96 : 12,916,888.74 = 5,285,561.64 : x
  2. Step 2: Convert to fraction form
    9,360,729.96/12,916,888.74 = 5,285,561.64/x
  3. Step 3: Cross multiply
    9,360,729.96x = 12,916,888.74 × 5,285,561.64
  4. Step 4: Simplify right side
    9,360,729.96x = 68,273,011,632,291.93
  5. Step 5: Solve for x
    x = 68,273,011,632,291.93/9,360,729.96
  6. Step 6: Final answer
    x = 7,293,556.37

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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.