Home / 19,508,021.28-26,930,404.56-12,992,493.60

Finding the Fourth Proportional to 19,508,021.28, 26,930,404.56 and 12,992,493.60

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Solution

The fourth proportional to 19,508,021.28, 26,930,404.56 and 12,992,493.60 is: 17,935,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508,021.28 : 26,930,404.56 = 12,992,493.60 : x
  2. Step 2: Convert to fraction form
    19,508,021.28/26,930,404.56 = 12,992,493.60/x
  3. Step 3: Cross multiply
    19,508,021.28x = 26,930,404.56 × 12,992,493.60
  4. Step 4: Simplify right side
    19,508,021.28x = 349,893,108,891,210.81
  5. Step 5: Solve for x
    x = 349,893,108,891,210.81/19,508,021.28
  6. Step 6: Final answer
    x = 17,935,858.48

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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.