Home / 15,540,645.60-23,310,968.40-9,871,941.60

Finding the Fourth Proportional to 15,540,645.60, 23,310,968.40 and 9,871,941.60

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Solution

The fourth proportional to 15,540,645.60, 23,310,968.40 and 9,871,941.60 is: 14,807,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540,645.60 : 23,310,968.40 = 9,871,941.60 : x
  2. Step 2: Convert to fraction form
    15,540,645.60/23,310,968.40 = 9,871,941.60/x
  3. Step 3: Cross multiply
    15,540,645.60x = 23,310,968.40 × 9,871,941.60
  4. Step 4: Simplify right side
    15,540,645.60x = 230,124,518,684,245.41
  5. Step 5: Solve for x
    x = 230,124,518,684,245.41/15,540,645.60
  6. Step 6: Final answer
    x = 14,807,912.40

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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.