Home / 7,178,907.88-10,766,031.90-2,385,309.88

Finding the Fourth Proportional to 7,178,907.88, 10,766,031.90 and 2,385,309.88

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Solution

The fourth proportional to 7,178,907.88, 10,766,031.90 and 2,385,309.88 is: 3,577,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,907.88 : 10,766,031.90 = 2,385,309.88 : x
  2. Step 2: Convert to fraction form
    7,178,907.88/10,766,031.90 = 2,385,309.88/x
  3. Step 3: Cross multiply
    7,178,907.88x = 10,766,031.90 × 2,385,309.88
  4. Step 4: Simplify right side
    7,178,907.88x = 25,680,322,259,465.17
  5. Step 5: Solve for x
    x = 25,680,322,259,465.17/7,178,907.88
  6. Step 6: Final answer
    x = 3,577,190.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.