Home / 20,824,335.54-28,717,394.13-16,238,983.86

Finding the Fourth Proportional to 20,824,335.54, 28,717,394.13 and 16,238,983.86

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Solution

The fourth proportional to 20,824,335.54, 28,717,394.13 and 16,238,983.86 is: 22,394,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,824,335.54 : 28,717,394.13 = 16,238,983.86 : x
  2. Step 2: Convert to fraction form
    20,824,335.54/28,717,394.13 = 16,238,983.86/x
  3. Step 3: Cross multiply
    20,824,335.54x = 28,717,394.13 × 16,238,983.86
  4. Step 4: Simplify right side
    20,824,335.54x = 466,341,299,778,328.69
  5. Step 5: Solve for x
    x = 466,341,299,778,328.69/20,824,335.54
  6. Step 6: Final answer
    x = 22,394,054.25

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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.