Home / 27,655,973.48-38,179,577.22-20,205,269.06

Finding the Fourth Proportional to 27,655,973.48, 38,179,577.22 and 20,205,269.06

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Solution

The fourth proportional to 27,655,973.48, 38,179,577.22 and 20,205,269.06 is: 27,893,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,655,973.48 : 38,179,577.22 = 20,205,269.06 : x
  2. Step 2: Convert to fraction form
    27,655,973.48/38,179,577.22 = 20,205,269.06/x
  3. Step 3: Cross multiply
    27,655,973.48x = 38,179,577.22 × 20,205,269.06
  4. Step 4: Simplify right side
    27,655,973.48x = 771,428,630,327,146.75
  5. Step 5: Solve for x
    x = 771,428,630,327,146.75/27,655,973.48
  6. Step 6: Final answer
    x = 27,893,743.49

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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.