Home / 13,504,757.40-18,638,339.28-7,702,209

Finding the Fourth Proportional to 13,504,757.40, 18,638,339.28 and 7,702,209

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Solution

The fourth proportional to 13,504,757.40, 18,638,339.28 and 7,702,209 is: 10,630,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504,757.40 : 18,638,339.28 = 7,702,209 : x
  2. Step 2: Convert to fraction form
    13,504,757.40/18,638,339.28 = 7,702,209/x
  3. Step 3: Cross multiply
    13,504,757.40x = 18,638,339.28 × 7,702,209
  4. Step 4: Simplify right side
    13,504,757.40x = 143,556,384,547,469.53
  5. Step 5: Solve for x
    x = 143,556,384,547,469.53/13,504,757.40
  6. Step 6: Final answer
    x = 10,630,060.23

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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.