Home / 12,096,421.40-18,144,632.10-9,968,907.80

Finding the Fourth Proportional to 12,096,421.40, 18,144,632.10 and 9,968,907.80

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Solution

The fourth proportional to 12,096,421.40, 18,144,632.10 and 9,968,907.80 is: 14,953,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,421.40 : 18,144,632.10 = 9,968,907.80 : x
  2. Step 2: Convert to fraction form
    12,096,421.40/18,144,632.10 = 9,968,907.80/x
  3. Step 3: Cross multiply
    12,096,421.40x = 18,144,632.10 × 9,968,907.80
  4. Step 4: Simplify right side
    12,096,421.40x = 180,882,164,469,820.41
  5. Step 5: Solve for x
    x = 180,882,164,469,820.41/12,096,421.40
  6. Step 6: Final answer
    x = 14,953,361.70

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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.