Home / 20,164,252.96-27,821,886.15-11,461,740.54

Finding the Fourth Proportional to 20,164,252.96, 27,821,886.15 and 11,461,740.54

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Solution

The fourth proportional to 20,164,252.96, 27,821,886.15 and 11,461,740.54 is: 15,814,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164,252.96 : 27,821,886.15 = 11,461,740.54 : x
  2. Step 2: Convert to fraction form
    20,164,252.96/27,821,886.15 = 11,461,740.54/x
  3. Step 3: Cross multiply
    20,164,252.96x = 27,821,886.15 × 11,461,740.54
  4. Step 4: Simplify right side
    20,164,252.96x = 318,887,240,384,719.50
  5. Step 5: Solve for x
    x = 318,887,240,384,719.50/20,164,252.96
  6. Step 6: Final answer
    x = 15,814,483.24

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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.