Home / 12,018,389.37-18,014,986.94-4,440,521.85

Finding the Fourth Proportional to 12,018,389.37, 18,014,986.94 and 4,440,521.85

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Solution

The fourth proportional to 12,018,389.37, 18,014,986.94 and 4,440,521.85 is: 6,656,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,389.37 : 18,014,986.94 = 4,440,521.85 : x
  2. Step 2: Convert to fraction form
    12,018,389.37/18,014,986.94 = 4,440,521.85/x
  3. Step 3: Cross multiply
    12,018,389.37x = 18,014,986.94 × 4,440,521.85
  4. Step 4: Simplify right side
    12,018,389.37x = 79,995,943,112,332.02
  5. Step 5: Solve for x
    x = 79,995,943,112,332.02/12,018,389.37
  6. Step 6: Final answer
    x = 6,656,128.43

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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.