Home / 27,978,237.60-41,954,914.80-12,836,810.40

Finding the Fourth Proportional to 27,978,237.60, 41,954,914.80 and 12,836,810.40

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Solution

The fourth proportional to 27,978,237.60, 41,954,914.80 and 12,836,810.40 is: 19,249,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,978,237.60 : 41,954,914.80 = 12,836,810.40 : x
  2. Step 2: Convert to fraction form
    27,978,237.60/41,954,914.80 = 12,836,810.40/x
  3. Step 3: Cross multiply
    27,978,237.60x = 41,954,914.80 × 12,836,810.40
  4. Step 4: Simplify right side
    27,978,237.60x = 538,567,286,635,753.88
  5. Step 5: Solve for x
    x = 538,567,286,635,753.88/27,978,237.60
  6. Step 6: Final answer
    x = 19,249,507.22

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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.