Home / 12,542,427.51-18,815,510.75-4,454,723.67

Finding the Fourth Proportional to 12,542,427.51, 18,815,510.75 and 4,454,723.67

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Solution

The fourth proportional to 12,542,427.51, 18,815,510.75 and 4,454,723.67 is: 6,682,749.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542,427.51 : 18,815,510.75 = 4,454,723.67 : x
  2. Step 2: Convert to fraction form
    12,542,427.51/18,815,510.75 = 4,454,723.67/x
  3. Step 3: Cross multiply
    12,542,427.51x = 18,815,510.75 × 4,454,723.67
  4. Step 4: Simplify right side
    12,542,427.51x = 83,817,901,078,890.84
  5. Step 5: Solve for x
    x = 83,817,901,078,890.84/12,542,427.51
  6. Step 6: Final answer
    x = 6,682,749.49

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Double scale
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1.5x scale

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.