Home / 19,651,803.54-27,120,059.19-11,391,899.82

Finding the Fourth Proportional to 19,651,803.54, 27,120,059.19 and 11,391,899.82

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Solution

The fourth proportional to 19,651,803.54, 27,120,059.19 and 11,391,899.82 is: 15,721,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651,803.54 : 27,120,059.19 = 11,391,899.82 : x
  2. Step 2: Convert to fraction form
    19,651,803.54/27,120,059.19 = 11,391,899.82/x
  3. Step 3: Cross multiply
    19,651,803.54x = 27,120,059.19 × 11,391,899.82
  4. Step 4: Simplify right side
    19,651,803.54x = 308,948,997,404,950.38
  5. Step 5: Solve for x
    x = 308,948,997,404,950.38/19,651,803.54
  6. Step 6: Final answer
    x = 15,721,152.35

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Double scale
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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.