Home / 12,018,389.12-18,014,986.56-4,440,521.60

Finding the Fourth Proportional to 12,018,389.12, 18,014,986.56 and 4,440,521.60

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Solution

The fourth proportional to 12,018,389.12, 18,014,986.56 and 4,440,521.60 is: 6,656,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,389.12 : 18,014,986.56 = 4,440,521.60 : x
  2. Step 2: Convert to fraction form
    12,018,389.12/18,014,986.56 = 4,440,521.60/x
  3. Step 3: Cross multiply
    12,018,389.12x = 18,014,986.56 × 4,440,521.60
  4. Step 4: Simplify right side
    12,018,389.12x = 79,995,936,943,389.69
  5. Step 5: Solve for x
    x = 79,995,936,943,389.69/12,018,389.12
  6. Step 6: Final answer
    x = 6,656,128.05

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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.