Home / 13,122,381.21-19,692,357.25-5,446,032.45

Finding the Fourth Proportional to 13,122,381.21, 19,692,357.25 and 5,446,032.45

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Solution

The fourth proportional to 13,122,381.21, 19,692,357.25 and 5,446,032.45 is: 8,172,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,381.21 : 19,692,357.25 = 5,446,032.45 : x
  2. Step 2: Convert to fraction form
    13,122,381.21/19,692,357.25 = 5,446,032.45/x
  3. Step 3: Cross multiply
    13,122,381.21x = 19,692,357.25 × 5,446,032.45
  4. Step 4: Simplify right side
    13,122,381.21x = 107,245,216,600,492.77
  5. Step 5: Solve for x
    x = 107,245,216,600,492.77/13,122,381.21
  6. Step 6: Final answer
    x = 8,172,694.79

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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.