Home / 30,725,257.20-42,400,536.12-16,973,323.44

Finding the Fourth Proportional to 30,725,257.20, 42,400,536.12 and 16,973,323.44

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Solution

The fourth proportional to 30,725,257.20, 42,400,536.12 and 16,973,323.44 is: 23,423,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,725,257.20 : 42,400,536.12 = 16,973,323.44 : x
  2. Step 2: Convert to fraction form
    30,725,257.20/42,400,536.12 = 16,973,323.44/x
  3. Step 3: Cross multiply
    30,725,257.20x = 42,400,536.12 × 16,973,323.44
  4. Step 4: Simplify right side
    30,725,257.20x = 719,678,013,594,162.62
  5. Step 5: Solve for x
    x = 719,678,013,594,162.62/30,725,257.20
  6. Step 6: Final answer
    x = 23,423,010.23

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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.