Home / 12,396,795.12-18,584,541.72-4,308,720.48

Finding the Fourth Proportional to 12,396,795.12, 18,584,541.72 and 4,308,720.48

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Solution

The fourth proportional to 12,396,795.12, 18,584,541.72 and 4,308,720.48 is: 6,459,378.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396,795.12 : 18,584,541.72 = 4,308,720.48 : x
  2. Step 2: Convert to fraction form
    12,396,795.12/18,584,541.72 = 4,308,720.48/x
  3. Step 3: Cross multiply
    12,396,795.12x = 18,584,541.72 × 4,308,720.48
  4. Step 4: Simplify right side
    12,396,795.12x = 80,075,595,520,378.42
  5. Step 5: Solve for x
    x = 80,075,595,520,378.42/12,396,795.12
  6. Step 6: Final answer
    x = 6,459,378.79

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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.