Home / 28,641,109.27-39,524,728.59-15,588,461.77

Finding the Fourth Proportional to 28,641,109.27, 39,524,728.59 and 15,588,461.77

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Solution

The fourth proportional to 28,641,109.27, 39,524,728.59 and 15,588,461.77 is: 21,512,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,641,109.27 : 39,524,728.59 = 15,588,461.77 : x
  2. Step 2: Convert to fraction form
    28,641,109.27/39,524,728.59 = 15,588,461.77/x
  3. Step 3: Cross multiply
    28,641,109.27x = 39,524,728.59 × 15,588,461.77
  4. Step 4: Simplify right side
    28,641,109.27x = 616,129,720,563,361.88
  5. Step 5: Solve for x
    x = 616,129,720,563,361.88/28,641,109.27
  6. Step 6: Final answer
    x = 21,512,076.05

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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.