Home / 28,456,103.25-39,274,742.43-16,232,960.25

Finding the Fourth Proportional to 28,456,103.25, 39,274,742.43 and 16,232,960.25

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Solution

The fourth proportional to 28,456,103.25, 39,274,742.43 and 16,232,960.25 is: 22,404,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,456,103.25 : 39,274,742.43 = 16,232,960.25 : x
  2. Step 2: Convert to fraction form
    28,456,103.25/39,274,742.43 = 16,232,960.25/x
  3. Step 3: Cross multiply
    28,456,103.25x = 39,274,742.43 × 16,232,960.25
  4. Step 4: Simplify right side
    28,456,103.25x = 637,545,332,695,178.38
  5. Step 5: Solve for x
    x = 637,545,332,695,178.38/28,456,103.25
  6. Step 6: Final answer
    x = 22,404,519.94

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1.5x scale

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.