Home / 12,603,021.40-18,862,541.70-11,595,251.80

Finding the Fourth Proportional to 12,603,021.40, 18,862,541.70 and 11,595,251.80

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Solution

The fourth proportional to 12,603,021.40, 18,862,541.70 and 11,595,251.80 is: 17,354,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603,021.40 : 18,862,541.70 = 11,595,251.80 : x
  2. Step 2: Convert to fraction form
    12,603,021.40/18,862,541.70 = 11,595,251.80/x
  3. Step 3: Cross multiply
    12,603,021.40x = 18,862,541.70 × 11,595,251.80
  4. Step 4: Simplify right side
    12,603,021.40x = 218,715,920,599,500.06
  5. Step 5: Solve for x
    x = 218,715,920,599,500.06/12,603,021.40
  6. Step 6: Final answer
    x = 17,354,244.96

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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.