Home / 19,888,636.28-27,446,042.43-11,186,814.78

Finding the Fourth Proportional to 19,888,636.28, 27,446,042.43 and 11,186,814.78

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Solution

The fourth proportional to 19,888,636.28, 27,446,042.43 and 11,186,814.78 is: 15,437,649.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888,636.28 : 27,446,042.43 = 11,186,814.78 : x
  2. Step 2: Convert to fraction form
    19,888,636.28/27,446,042.43 = 11,186,814.78/x
  3. Step 3: Cross multiply
    19,888,636.28x = 27,446,042.43 × 11,186,814.78
  4. Step 4: Simplify right side
    19,888,636.28x = 307,033,793,108,431.06
  5. Step 5: Solve for x
    x = 307,033,793,108,431.06/19,888,636.28
  6. Step 6: Final answer
    x = 15,437,649.36

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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.