Home / 15,580,514.21-21,507,109.97-13,946,037.89

Finding the Fourth Proportional to 15,580,514.21, 21,507,109.97 and 13,946,037.89

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Solution

The fourth proportional to 15,580,514.21, 21,507,109.97 and 13,946,037.89 is: 19,250,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580,514.21 : 21,507,109.97 = 13,946,037.89 : x
  2. Step 2: Convert to fraction form
    15,580,514.21/21,507,109.97 = 13,946,037.89/x
  3. Step 3: Cross multiply
    15,580,514.21x = 21,507,109.97 × 13,946,037.89
  4. Step 4: Simplify right side
    15,580,514.21x = 299,938,970,368,751
  5. Step 5: Solve for x
    x = 299,938,970,368,751/15,580,514.21
  6. Step 6: Final answer
    x = 19,250,903.17

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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.