Home / 38,701,749.86-53,396,390.91-21,953,729.14

Finding the Fourth Proportional to 38,701,749.86, 53,396,390.91 and 21,953,729.14

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Solution

The fourth proportional to 38,701,749.86, 53,396,390.91 and 21,953,729.14 is: 30,289,325.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701,749.86 : 53,396,390.91 = 21,953,729.14 : x
  2. Step 2: Convert to fraction form
    38,701,749.86/53,396,390.91 = 21,953,729.14/x
  3. Step 3: Cross multiply
    38,701,749.86x = 53,396,390.91 × 21,953,729.14
  4. Step 4: Simplify right side
    38,701,749.86x = 1,172,249,903,040,533.50
  5. Step 5: Solve for x
    x = 1,172,249,903,040,533.50/38,701,749.86
  6. Step 6: Final answer
    x = 30,289,325.61

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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.