Home / 13,259,878.08-18,296,623.87-7,460,085.30

Finding the Fourth Proportional to 13,259,878.08, 18,296,623.87 and 7,460,085.30

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Solution

The fourth proportional to 13,259,878.08, 18,296,623.87 and 7,460,085.30 is: 10,293,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259,878.08 : 18,296,623.87 = 7,460,085.30 : x
  2. Step 2: Convert to fraction form
    13,259,878.08/18,296,623.87 = 7,460,085.30/x
  3. Step 3: Cross multiply
    13,259,878.08x = 18,296,623.87 × 7,460,085.30
  4. Step 4: Simplify right side
    13,259,878.08x = 136,494,374,772,216.11
  5. Step 5: Solve for x
    x = 136,494,374,772,216.11/13,259,878.08
  6. Step 6: Final answer
    x = 10,293,788.07

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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.