Home / 15,684,712.35-23,507,027.91-12,653,507.67

Finding the Fourth Proportional to 15,684,712.35, 23,507,027.91 and 12,653,507.67

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Solution

The fourth proportional to 15,684,712.35, 23,507,027.91 and 12,653,507.67 is: 18,964,093.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684,712.35 : 23,507,027.91 = 12,653,507.67 : x
  2. Step 2: Convert to fraction form
    15,684,712.35/23,507,027.91 = 12,653,507.67/x
  3. Step 3: Cross multiply
    15,684,712.35x = 23,507,027.91 × 12,653,507.67
  4. Step 4: Simplify right side
    15,684,712.35x = 297,446,357,958,089.06
  5. Step 5: Solve for x
    x = 297,446,357,958,089.06/15,684,712.35
  6. Step 6: Final answer
    x = 18,964,093.91

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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.