Home / 27,656,023.56-38,179,646.32-20,205,319

Finding the Fourth Proportional to 27,656,023.56, 38,179,646.32 and 20,205,319

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Solution

The fourth proportional to 27,656,023.56, 38,179,646.32 and 20,205,319 is: 27,893,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,656,023.56 : 38,179,646.32 = 20,205,319 : x
  2. Step 2: Convert to fraction form
    27,656,023.56/38,179,646.32 = 20,205,319/x
  3. Step 3: Cross multiply
    27,656,023.56x = 38,179,646.32 × 20,205,319
  4. Step 4: Simplify right side
    27,656,023.56x = 771,431,933,202,776.12
  5. Step 5: Solve for x
    x = 771,431,933,202,776.12/27,656,023.56
  6. Step 6: Final answer
    x = 27,893,812.41

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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.