Home / 30,383,784.81-41,929,619.88-16,445,137.50

Finding the Fourth Proportional to 30,383,784.81, 41,929,619.88 and 16,445,137.50

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Solution

The fourth proportional to 30,383,784.81, 41,929,619.88 and 16,445,137.50 is: 22,694,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383,784.81 : 41,929,619.88 = 16,445,137.50 : x
  2. Step 2: Convert to fraction form
    30,383,784.81/41,929,619.88 = 16,445,137.50/x
  3. Step 3: Cross multiply
    30,383,784.81x = 41,929,619.88 × 16,445,137.50
  4. Step 4: Simplify right side
    30,383,784.81x = 689,538,364,249,333.50
  5. Step 5: Solve for x
    x = 689,538,364,249,333.50/30,383,784.81
  6. Step 6: Final answer
    x = 22,694,288.04

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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.