Home / 12,447,321.60-18,670,982.40-4,871,769.60

Finding the Fourth Proportional to 12,447,321.60, 18,670,982.40 and 4,871,769.60

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Solution

The fourth proportional to 12,447,321.60, 18,670,982.40 and 4,871,769.60 is: 7,307,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447,321.60 : 18,670,982.40 = 4,871,769.60 : x
  2. Step 2: Convert to fraction form
    12,447,321.60/18,670,982.40 = 4,871,769.60/x
  3. Step 3: Cross multiply
    12,447,321.60x = 18,670,982.40 × 4,871,769.60
  4. Step 4: Simplify right side
    12,447,321.60x = 90,960,724,458,455.03
  5. Step 5: Solve for x
    x = 90,960,724,458,455.03/12,447,321.60
  6. Step 6: Final answer
    x = 7,307,654.40

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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.