Home / 15,249,991.02-21,027,207.79-11,375,786.13

Finding the Fourth Proportional to 15,249,991.02, 21,027,207.79 and 11,375,786.13

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Solution

The fourth proportional to 15,249,991.02, 21,027,207.79 and 11,375,786.13 is: 15,685,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249,991.02 : 21,027,207.79 = 11,375,786.13 : x
  2. Step 2: Convert to fraction form
    15,249,991.02/21,027,207.79 = 11,375,786.13/x
  3. Step 3: Cross multiply
    15,249,991.02x = 21,027,207.79 × 11,375,786.13
  4. Step 4: Simplify right side
    15,249,991.02x = 239,201,018,730,109.97
  5. Step 5: Solve for x
    x = 239,201,018,730,109.97/15,249,991.02
  6. Step 6: Final answer
    x = 15,685,321.94

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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.