Home / 18,381,040.40-27,571,560.60-4,734,160.40

Finding the Fourth Proportional to 18,381,040.40, 27,571,560.60 and 4,734,160.40

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Solution

The fourth proportional to 18,381,040.40, 27,571,560.60 and 4,734,160.40 is: 7,101,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381,040.40 : 27,571,560.60 = 4,734,160.40 : x
  2. Step 2: Convert to fraction form
    18,381,040.40/27,571,560.60 = 4,734,160.40/x
  3. Step 3: Cross multiply
    18,381,040.40x = 27,571,560.60 × 4,734,160.40
  4. Step 4: Simplify right side
    18,381,040.40x = 130,528,190,358,720.25
  5. Step 5: Solve for x
    x = 130,528,190,358,720.25/18,381,040.40
  6. Step 6: Final answer
    x = 7,101,240.60

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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.