Home / 19,133,322.24-28,699,985.52-7,773,778.56

Finding the Fourth Proportional to 19,133,322.24, 28,699,985.52 and 7,773,778.56

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Solution

The fourth proportional to 19,133,322.24, 28,699,985.52 and 7,773,778.56 is: 11,660,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133,322.24 : 28,699,985.52 = 7,773,778.56 : x
  2. Step 2: Convert to fraction form
    19,133,322.24/28,699,985.52 = 7,773,778.56/x
  3. Step 3: Cross multiply
    19,133,322.24x = 28,699,985.52 × 7,773,778.56
  4. Step 4: Simplify right side
    19,133,322.24x = 223,107,332,107,686.44
  5. Step 5: Solve for x
    x = 223,107,332,107,686.44/19,133,322.24
  6. Step 6: Final answer
    x = 11,660,668.72

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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.