Home / 12,525,420.18-18,756,235.56-8,252,634.54

Finding the Fourth Proportional to 12,525,420.18, 18,756,235.56 and 8,252,634.54

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Solution

The fourth proportional to 12,525,420.18, 18,756,235.56 and 8,252,634.54 is: 12,357,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525,420.18 : 18,756,235.56 = 8,252,634.54 : x
  2. Step 2: Convert to fraction form
    12,525,420.18/18,756,235.56 = 8,252,634.54/x
  3. Step 3: Cross multiply
    12,525,420.18x = 18,756,235.56 × 8,252,634.54
  4. Step 4: Simplify right side
    12,525,420.18x = 154,788,357,524,115.50
  5. Step 5: Solve for x
    x = 154,788,357,524,115.50/12,525,420.18
  6. Step 6: Final answer
    x = 12,357,937.32

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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.