Home / 12,461,485.60-18,660,735.60-9,942,061.60

Finding the Fourth Proportional to 12,461,485.60, 18,660,735.60 and 9,942,061.60

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Solution

The fourth proportional to 12,461,485.60, 18,660,735.60 and 9,942,061.60 is: 14,887,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461,485.60 : 18,660,735.60 = 9,942,061.60 : x
  2. Step 2: Convert to fraction form
    12,461,485.60/18,660,735.60 = 9,942,061.60/x
  3. Step 3: Cross multiply
    12,461,485.60x = 18,660,735.60 × 9,942,061.60
  4. Step 4: Simplify right side
    12,461,485.60x = 185,526,182,836,512.97
  5. Step 5: Solve for x
    x = 185,526,182,836,512.97/12,461,485.60
  6. Step 6: Final answer
    x = 14,887,966.72

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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.