Home / 27,927,025.48-38,539,043.22-15,703,969.96

Finding the Fourth Proportional to 27,927,025.48, 38,539,043.22 and 15,703,969.96

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Solution

The fourth proportional to 27,927,025.48, 38,539,043.22 and 15,703,969.96 is: 21,671,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927,025.48 : 38,539,043.22 = 15,703,969.96 : x
  2. Step 2: Convert to fraction form
    27,927,025.48/38,539,043.22 = 15,703,969.96/x
  3. Step 3: Cross multiply
    27,927,025.48x = 38,539,043.22 × 15,703,969.96
  4. Step 4: Simplify right side
    27,927,025.48x = 605,215,977,014,021.62
  5. Step 5: Solve for x
    x = 605,215,977,014,021.62/27,927,025.48
  6. Step 6: Final answer
    x = 21,671,336.87

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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.