Home / 21,362,781.90-29,480,476.07-11,573,156.06

Finding the Fourth Proportional to 21,362,781.90, 29,480,476.07 and 11,573,156.06

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Solution

The fourth proportional to 21,362,781.90, 29,480,476.07 and 11,573,156.06 is: 15,970,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362,781.90 : 29,480,476.07 = 11,573,156.06 : x
  2. Step 2: Convert to fraction form
    21,362,781.90/29,480,476.07 = 11,573,156.06/x
  3. Step 3: Cross multiply
    21,362,781.90x = 29,480,476.07 × 11,573,156.06
  4. Step 4: Simplify right side
    21,362,781.90x = 341,182,150,199,294.56
  5. Step 5: Solve for x
    x = 341,182,150,199,294.56/21,362,781.90
  6. Step 6: Final answer
    x = 15,970,867.08

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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.