Home / 18,284,705.10-27,427,290.93-12,603,403.98

Finding the Fourth Proportional to 18,284,705.10, 27,427,290.93 and 12,603,403.98

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Solution

The fourth proportional to 18,284,705.10, 27,427,290.93 and 12,603,403.98 is: 18,905,266.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284,705.10 : 27,427,290.93 = 12,603,403.98 : x
  2. Step 2: Convert to fraction form
    18,284,705.10/27,427,290.93 = 12,603,403.98/x
  3. Step 3: Cross multiply
    18,284,705.10x = 27,427,290.93 × 12,603,403.98
  4. Step 4: Simplify right side
    18,284,705.10x = 345,677,227,667,779.94
  5. Step 5: Solve for x
    x = 345,677,227,667,779.94/18,284,705.10
  6. Step 6: Final answer
    x = 18,905,266.77

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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.