Home / 21,136,877.10-29,168,396.46-12,435,610.05

Finding the Fourth Proportional to 21,136,877.10, 29,168,396.46 and 12,435,610.05

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Solution

The fourth proportional to 21,136,877.10, 29,168,396.46 and 12,435,610.05 is: 17,160,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,136,877.10 : 29,168,396.46 = 12,435,610.05 : x
  2. Step 2: Convert to fraction form
    21,136,877.10/29,168,396.46 = 12,435,610.05/x
  3. Step 3: Cross multiply
    21,136,877.10x = 29,168,396.46 × 12,435,610.05
  4. Step 4: Simplify right side
    21,136,877.10x = 362,726,804,160,360.44
  5. Step 5: Solve for x
    x = 362,726,804,160,360.44/21,136,877.10
  6. Step 6: Final answer
    x = 17,160,851.27

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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.