Home / 13,689,897.06-20,505,324.07-12,885,013.02

Finding the Fourth Proportional to 13,689,897.06, 20,505,324.07 and 12,885,013.02

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Solution

The fourth proportional to 13,689,897.06, 20,505,324.07 and 12,885,013.02 is: 19,299,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689,897.06 : 20,505,324.07 = 12,885,013.02 : x
  2. Step 2: Convert to fraction form
    13,689,897.06/20,505,324.07 = 12,885,013.02/x
  3. Step 3: Cross multiply
    13,689,897.06x = 20,505,324.07 × 12,885,013.02
  4. Step 4: Simplify right side
    13,689,897.06x = 264,211,367,621,269.38
  5. Step 5: Solve for x
    x = 264,211,367,621,269.38/13,689,897.06
  6. Step 6: Final answer
    x = 19,299,733.70

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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.