Home / 18,749,612.96-25,875,470.54-10,489,182.47

Finding the Fourth Proportional to 18,749,612.96, 25,875,470.54 and 10,489,182.47

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Solution

The fourth proportional to 18,749,612.96, 25,875,470.54 and 10,489,182.47 is: 14,475,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749,612.96 : 25,875,470.54 = 10,489,182.47 : x
  2. Step 2: Convert to fraction form
    18,749,612.96/25,875,470.54 = 10,489,182.47/x
  3. Step 3: Cross multiply
    18,749,612.96x = 25,875,470.54 × 10,489,182.47
  4. Step 4: Simplify right side
    18,749,612.96x = 271,412,532,003,412.22
  5. Step 5: Solve for x
    x = 271,412,532,003,412.22/18,749,612.96
  6. Step 6: Final answer
    x = 14,475,633.85

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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.