Home / 28,871,090.81-43,307,189.80-9,440,389.96

Finding the Fourth Proportional to 28,871,090.81, 43,307,189.80 and 9,440,389.96

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Solution

The fourth proportional to 28,871,090.81, 43,307,189.80 and 9,440,389.96 is: 14,160,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871,090.81 : 43,307,189.80 = 9,440,389.96 : x
  2. Step 2: Convert to fraction form
    28,871,090.81/43,307,189.80 = 9,440,389.96/x
  3. Step 3: Cross multiply
    28,871,090.81x = 43,307,189.80 × 9,440,389.96
  4. Step 4: Simplify right side
    28,871,090.81x = 408,836,759,783,734.44
  5. Step 5: Solve for x
    x = 408,836,759,783,734.44/28,871,090.81
  6. Step 6: Final answer
    x = 14,160,765.95

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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.