Home / 21,575,431.45-32,362,925.39-12,471,736.35

Finding the Fourth Proportional to 21,575,431.45, 32,362,925.39 and 12,471,736.35

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Solution

The fourth proportional to 21,575,431.45, 32,362,925.39 and 12,471,736.35 is: 18,707,476.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575,431.45 : 32,362,925.39 = 12,471,736.35 : x
  2. Step 2: Convert to fraction form
    21,575,431.45/32,362,925.39 = 12,471,736.35/x
  3. Step 3: Cross multiply
    21,575,431.45x = 32,362,925.39 × 12,471,736.35
  4. Step 4: Simplify right side
    21,575,431.45x = 403,621,873,084,572.25
  5. Step 5: Solve for x
    x = 403,621,873,084,572.25/21,575,431.45
  6. Step 6: Final answer
    x = 18,707,476.33

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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.