Home / 12,804,974.10-19,170,136.35-12,431,726.10

Finding the Fourth Proportional to 12,804,974.10, 19,170,136.35 and 12,431,726.10

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Solution

The fourth proportional to 12,804,974.10, 19,170,136.35 and 12,431,726.10 is: 18,611,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804,974.10 : 19,170,136.35 = 12,431,726.10 : x
  2. Step 2: Convert to fraction form
    12,804,974.10/19,170,136.35 = 12,431,726.10/x
  3. Step 3: Cross multiply
    12,804,974.10x = 19,170,136.35 × 12,431,726.10
  4. Step 4: Simplify right side
    12,804,974.10x = 238,317,884,402,853.75
  5. Step 5: Solve for x
    x = 238,317,884,402,853.75/12,804,974.10
  6. Step 6: Final answer
    x = 18,611,352.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.