Home / 16,999,686.78-25,507,042.50-8,910,728.28

Finding the Fourth Proportional to 16,999,686.78, 25,507,042.50 and 8,910,728.28

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Solution

The fourth proportional to 16,999,686.78, 25,507,042.50 and 8,910,728.28 is: 13,370,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999,686.78 : 25,507,042.50 = 8,910,728.28 : x
  2. Step 2: Convert to fraction form
    16,999,686.78/25,507,042.50 = 8,910,728.28/x
  3. Step 3: Cross multiply
    16,999,686.78x = 25,507,042.50 × 8,910,728.28
  4. Step 4: Simplify right side
    16,999,686.78x = 227,286,324,943,911.88
  5. Step 5: Solve for x
    x = 227,286,324,943,911.88/16,999,686.78
  6. Step 6: Final answer
    x = 13,370,030.16

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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.