Home / 26,078,886.63-39,102,386.72-12,436,205.67

Finding the Fourth Proportional to 26,078,886.63, 39,102,386.72 and 12,436,205.67

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Solution

The fourth proportional to 26,078,886.63, 39,102,386.72 and 12,436,205.67 is: 18,646,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078,886.63 : 39,102,386.72 = 12,436,205.67 : x
  2. Step 2: Convert to fraction form
    26,078,886.63/39,102,386.72 = 12,436,205.67/x
  3. Step 3: Cross multiply
    26,078,886.63x = 39,102,386.72 × 12,436,205.67
  4. Step 4: Simplify right side
    26,078,886.63x = 486,285,323,375,615.69
  5. Step 5: Solve for x
    x = 486,285,323,375,615.69/26,078,886.63
  6. Step 6: Final answer
    x = 18,646,705.68

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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.