Home / 27,772,287.12-38,325,328.20-15,549,581.52

Finding the Fourth Proportional to 27,772,287.12, 38,325,328.20 and 15,549,581.52

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Solution

The fourth proportional to 27,772,287.12, 38,325,328.20 and 15,549,581.52 is: 21,458,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,772,287.12 : 38,325,328.20 = 15,549,581.52 : x
  2. Step 2: Convert to fraction form
    27,772,287.12/38,325,328.20 = 15,549,581.52/x
  3. Step 3: Cross multiply
    27,772,287.12x = 38,325,328.20 × 15,549,581.52
  4. Step 4: Simplify right side
    27,772,287.12x = 595,942,815,126,654.88
  5. Step 5: Solve for x
    x = 595,942,815,126,654.88/27,772,287.12
  6. Step 6: Final answer
    x = 21,458,182.85

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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.