Home / 30,725,258.20-42,400,537.50-16,973,324.44

Finding the Fourth Proportional to 30,725,258.20, 42,400,537.50 and 16,973,324.44

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Solution

The fourth proportional to 30,725,258.20, 42,400,537.50 and 16,973,324.44 is: 23,423,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,725,258.20 : 42,400,537.50 = 16,973,324.44 : x
  2. Step 2: Convert to fraction form
    30,725,258.20/42,400,537.50 = 16,973,324.44/x
  3. Step 3: Cross multiply
    30,725,258.20x = 42,400,537.50 × 16,973,324.44
  4. Step 4: Simplify right side
    30,725,258.20x = 719,678,079,417,886.50
  5. Step 5: Solve for x
    x = 719,678,079,417,886.50/30,725,258.20
  6. Step 6: Final answer
    x = 23,423,011.61

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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.