Home / 20,943,256.55-28,889,884.91-12,568,484.48

Finding the Fourth Proportional to 20,943,256.55, 28,889,884.91 and 12,568,484.48

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Solution

The fourth proportional to 20,943,256.55, 28,889,884.91 and 12,568,484.48 is: 17,337,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,943,256.55 : 28,889,884.91 = 12,568,484.48 : x
  2. Step 2: Convert to fraction form
    20,943,256.55/28,889,884.91 = 12,568,484.48/x
  3. Step 3: Cross multiply
    20,943,256.55x = 28,889,884.91 × 12,568,484.48
  4. Step 4: Simplify right side
    20,943,256.55x = 363,102,070,057,478.81
  5. Step 5: Solve for x
    x = 363,102,070,057,478.81/20,943,256.55
  6. Step 6: Final answer
    x = 17,337,421.68

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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.