Home / 12,126,839.10-18,190,258.65-3,606,068.40

Finding the Fourth Proportional to 12,126,839.10, 18,190,258.65 and 3,606,068.40

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Solution

The fourth proportional to 12,126,839.10, 18,190,258.65 and 3,606,068.40 is: 5,409,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,839.10 : 18,190,258.65 = 3,606,068.40 : x
  2. Step 2: Convert to fraction form
    12,126,839.10/18,190,258.65 = 3,606,068.40/x
  3. Step 3: Cross multiply
    12,126,839.10x = 18,190,258.65 × 3,606,068.40
  4. Step 4: Simplify right side
    12,126,839.10x = 65,595,316,905,591.66
  5. Step 5: Solve for x
    x = 65,595,316,905,591.66/12,126,839.10
  6. Step 6: Final answer
    x = 5,409,102.60

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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.