Home / 18,477,144.96-25,485,808.32-12,047,326.08

Finding the Fourth Proportional to 18,477,144.96, 25,485,808.32 and 12,047,326.08

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Solution

The fourth proportional to 18,477,144.96, 25,485,808.32 and 12,047,326.08 is: 16,617,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,144.96 : 25,485,808.32 = 12,047,326.08 : x
  2. Step 2: Convert to fraction form
    18,477,144.96/25,485,808.32 = 12,047,326.08/x
  3. Step 3: Cross multiply
    18,477,144.96x = 25,485,808.32 × 12,047,326.08
  4. Step 4: Simplify right side
    18,477,144.96x = 307,035,843,243,417
  5. Step 5: Solve for x
    x = 307,035,843,243,417/18,477,144.96
  6. Step 6: Final answer
    x = 16,617,060.91

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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.