Home / 7,768,668.61-10,721,729.24-4,461,998.42

Finding the Fourth Proportional to 7,768,668.61, 10,721,729.24 and 4,461,998.42

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Solution

The fourth proportional to 7,768,668.61, 10,721,729.24 and 4,461,998.42 is: 6,158,112.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,668.61 : 10,721,729.24 = 4,461,998.42 : x
  2. Step 2: Convert to fraction form
    7,768,668.61/10,721,729.24 = 4,461,998.42/x
  3. Step 3: Cross multiply
    7,768,668.61x = 10,721,729.24 × 4,461,998.42
  4. Step 4: Simplify right side
    7,768,668.61x = 47,840,338,949,774.62
  5. Step 5: Solve for x
    x = 47,840,338,949,774.62/7,768,668.61
  6. Step 6: Final answer
    x = 6,158,112.97

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1.5x scale

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.