Home / 12,885,374.36-19,342,065.90-5,214,299.06

Finding the Fourth Proportional to 12,885,374.36, 19,342,065.90 and 5,214,299.06

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Solution

The fourth proportional to 12,885,374.36, 19,342,065.90 and 5,214,299.06 is: 7,827,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,374.36 : 19,342,065.90 = 5,214,299.06 : x
  2. Step 2: Convert to fraction form
    12,885,374.36/19,342,065.90 = 5,214,299.06/x
  3. Step 3: Cross multiply
    12,885,374.36x = 19,342,065.90 × 5,214,299.06
  4. Step 4: Simplify right side
    12,885,374.36x = 100,855,316,040,828.03
  5. Step 5: Solve for x
    x = 100,855,316,040,828.03/12,885,374.36
  6. Step 6: Final answer
    x = 7,827,115.71

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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.