Home / 21,612,875.84-32,416,917.77-5,438,831.48

Finding the Fourth Proportional to 21,612,875.84, 32,416,917.77 and 5,438,831.48

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Solution

The fourth proportional to 21,612,875.84, 32,416,917.77 and 5,438,831.48 is: 8,157,644.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,612,875.84 : 32,416,917.77 = 5,438,831.48 : x
  2. Step 2: Convert to fraction form
    21,612,875.84/32,416,917.77 = 5,438,831.48/x
  3. Step 3: Cross multiply
    21,612,875.84x = 32,416,917.77 × 5,438,831.48
  4. Step 4: Simplify right side
    21,612,875.84x = 176,310,152,662,768.66
  5. Step 5: Solve for x
    x = 176,310,152,662,768.66/21,612,875.84
  6. Step 6: Final answer
    x = 8,157,644.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.