Home / 13,558,730.49-20,338,261.26-3,974,302.80

Finding the Fourth Proportional to 13,558,730.49, 20,338,261.26 and 3,974,302.80

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Solution

The fourth proportional to 13,558,730.49, 20,338,261.26 and 3,974,302.80 is: 5,961,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558,730.49 : 20,338,261.26 = 3,974,302.80 : x
  2. Step 2: Convert to fraction form
    13,558,730.49/20,338,261.26 = 3,974,302.80/x
  3. Step 3: Cross multiply
    13,558,730.49x = 20,338,261.26 × 3,974,302.80
  4. Step 4: Simplify right side
    13,558,730.49x = 80,830,408,672,749.53
  5. Step 5: Solve for x
    x = 80,830,408,672,749.53/13,558,730.49
  6. Step 6: Final answer
    x = 5,961,502.72

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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.