Home / 7,658,618.34-10,568,858.65-4,220,851.94

Finding the Fourth Proportional to 7,658,618.34, 10,568,858.65 and 4,220,851.94

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Solution

The fourth proportional to 7,658,618.34, 10,568,858.65 and 4,220,851.94 is: 5,824,756.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658,618.34 : 10,568,858.65 = 4,220,851.94 : x
  2. Step 2: Convert to fraction form
    7,658,618.34/10,568,858.65 = 4,220,851.94/x
  3. Step 3: Cross multiply
    7,658,618.34x = 10,568,858.65 × 4,220,851.94
  4. Step 4: Simplify right side
    7,658,618.34x = 44,609,587,536,438.29
  5. Step 5: Solve for x
    x = 44,609,587,536,438.29/7,658,618.34
  6. Step 6: Final answer
    x = 5,824,756.58

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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.