Home / 16,786,316.80-25,191,916.80-12,307,340.80

Finding the Fourth Proportional to 16,786,316.80, 25,191,916.80 and 12,307,340.80

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Solution

The fourth proportional to 16,786,316.80, 25,191,916.80 and 12,307,340.80 is: 18,470,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786,316.80 : 25,191,916.80 = 12,307,340.80 : x
  2. Step 2: Convert to fraction form
    16,786,316.80/25,191,916.80 = 12,307,340.80/x
  3. Step 3: Cross multiply
    16,786,316.80x = 25,191,916.80 × 12,307,340.80
  4. Step 4: Simplify right side
    16,786,316.80x = 310,045,505,462,845.44
  5. Step 5: Solve for x
    x = 310,045,505,462,845.44/16,786,316.80
  6. Step 6: Final answer
    x = 18,470,133.09

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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.