Home / 7,477,805.34-10,319,378.67-4,040,049.11

Finding the Fourth Proportional to 7,477,805.34, 10,319,378.67 and 4,040,049.11

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Solution

The fourth proportional to 7,477,805.34, 10,319,378.67 and 4,040,049.11 is: 5,575,271.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477,805.34 : 10,319,378.67 = 4,040,049.11 : x
  2. Step 2: Convert to fraction form
    7,477,805.34/10,319,378.67 = 4,040,049.11/x
  3. Step 3: Cross multiply
    7,477,805.34x = 10,319,378.67 × 4,040,049.11
  4. Step 4: Simplify right side
    7,477,805.34x = 41,690,796,559,889.59
  5. Step 5: Solve for x
    x = 41,690,796,559,889.59/7,477,805.34
  6. Step 6: Final answer
    x = 5,575,271.71

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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.