Home / 18,326,383.36-25,317,572.16-12,061,683.52

Finding the Fourth Proportional to 18,326,383.36, 25,317,572.16 and 12,061,683.52

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Solution

The fourth proportional to 18,326,383.36, 25,317,572.16 and 12,061,683.52 is: 16,663,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326,383.36 : 25,317,572.16 = 12,061,683.52 : x
  2. Step 2: Convert to fraction form
    18,326,383.36/25,317,572.16 = 12,061,683.52/x
  3. Step 3: Cross multiply
    18,326,383.36x = 25,317,572.16 × 12,061,683.52
  4. Step 4: Simplify right side
    18,326,383.36x = 305,372,542,888,682.81
  5. Step 5: Solve for x
    x = 305,372,542,888,682.81/18,326,383.36
  6. Step 6: Final answer
    x = 16,663,000.93

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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.