Home / 13,259,878.58-18,296,624.57-7,460,085.80

Finding the Fourth Proportional to 13,259,878.58, 18,296,624.57 and 7,460,085.80

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Solution

The fourth proportional to 13,259,878.58, 18,296,624.57 and 7,460,085.80 is: 10,293,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259,878.58 : 18,296,624.57 = 7,460,085.80 : x
  2. Step 2: Convert to fraction form
    13,259,878.58/18,296,624.57 = 7,460,085.80/x
  3. Step 3: Cross multiply
    13,259,878.58x = 18,296,624.57 × 7,460,085.80
  4. Step 4: Simplify right side
    13,259,878.58x = 136,494,389,013,804.56
  5. Step 5: Solve for x
    x = 136,494,389,013,804.56/13,259,878.58
  6. Step 6: Final answer
    x = 10,293,788.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.