Home / 11,018,729.10-16,528,093.65-7,971,800.70

Finding the Fourth Proportional to 11,018,729.10, 16,528,093.65 and 7,971,800.70

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Solution

The fourth proportional to 11,018,729.10, 16,528,093.65 and 7,971,800.70 is: 11,957,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018,729.10 : 16,528,093.65 = 7,971,800.70 : x
  2. Step 2: Convert to fraction form
    11,018,729.10/16,528,093.65 = 7,971,800.70/x
  3. Step 3: Cross multiply
    11,018,729.10x = 16,528,093.65 × 7,971,800.70
  4. Step 4: Simplify right side
    11,018,729.10x = 131,758,668,528,735.56
  5. Step 5: Solve for x
    x = 131,758,668,528,735.56/11,018,729.10
  6. Step 6: Final answer
    x = 11,957,701.05

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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.