Home / 12,387,004.40-18,580,506.60-9,836,087.60

Finding the Fourth Proportional to 12,387,004.40, 18,580,506.60 and 9,836,087.60

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Solution

The fourth proportional to 12,387,004.40, 18,580,506.60 and 9,836,087.60 is: 14,754,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,004.40 : 18,580,506.60 = 9,836,087.60 : x
  2. Step 2: Convert to fraction form
    12,387,004.40/18,580,506.60 = 9,836,087.60/x
  3. Step 3: Cross multiply
    12,387,004.40x = 18,580,506.60 × 9,836,087.60
  4. Step 4: Simplify right side
    12,387,004.40x = 182,759,490,569,978.16
  5. Step 5: Solve for x
    x = 182,759,490,569,978.16/12,387,004.40
  6. Step 6: Final answer
    x = 14,754,131.40

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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.