Home / 22,486,440.69-31,031,298.60-12,173,163.78

Finding the Fourth Proportional to 22,486,440.69, 31,031,298.60 and 12,173,163.78

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Solution

The fourth proportional to 22,486,440.69, 31,031,298.60 and 12,173,163.78 is: 16,798,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486,440.69 : 31,031,298.60 = 12,173,163.78 : x
  2. Step 2: Convert to fraction form
    22,486,440.69/31,031,298.60 = 12,173,163.78/x
  3. Step 3: Cross multiply
    22,486,440.69x = 31,031,298.60 × 12,173,163.78
  4. Step 4: Simplify right side
    22,486,440.69x = 377,749,080,163,884.69
  5. Step 5: Solve for x
    x = 377,749,080,163,884.69/22,486,440.69
  6. Step 6: Final answer
    x = 16,798,971.67

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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.