Home / 28,759,884.16-39,688,910.56-16,369,372.48

Finding the Fourth Proportional to 28,759,884.16, 39,688,910.56 and 16,369,372.48

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Solution

The fourth proportional to 28,759,884.16, 39,688,910.56 and 16,369,372.48 is: 22,589,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759,884.16 : 39,688,910.56 = 16,369,372.48 : x
  2. Step 2: Convert to fraction form
    28,759,884.16/39,688,910.56 = 16,369,372.48/x
  3. Step 3: Cross multiply
    28,759,884.16x = 39,688,910.56 × 16,369,372.48
  4. Step 4: Simplify right side
    28,759,884.16x = 649,682,560,282,045.50
  5. Step 5: Solve for x
    x = 649,682,560,282,045.50/28,759,884.16
  6. Step 6: Final answer
    x = 22,589,887.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.