Home / 18,447,233.60-27,670,850.40-7,830,401.60

Finding the Fourth Proportional to 18,447,233.60, 27,670,850.40 and 7,830,401.60

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Solution

The fourth proportional to 18,447,233.60, 27,670,850.40 and 7,830,401.60 is: 11,745,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447,233.60 : 27,670,850.40 = 7,830,401.60 : x
  2. Step 2: Convert to fraction form
    18,447,233.60/27,670,850.40 = 7,830,401.60/x
  3. Step 3: Cross multiply
    18,447,233.60x = 27,670,850.40 × 7,830,401.60
  4. Step 4: Simplify right side
    18,447,233.60x = 216,673,871,245,520.62
  5. Step 5: Solve for x
    x = 216,673,871,245,520.62/18,447,233.60
  6. Step 6: Final answer
    x = 11,745,602.40

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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.