Home / 30,600,511.21-45,904,129.71-15,251,664.88

Finding the Fourth Proportional to 30,600,511.21, 45,904,129.71 and 15,251,664.88

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Solution

The fourth proportional to 30,600,511.21, 45,904,129.71 and 15,251,664.88 is: 22,879,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,600,511.21 : 45,904,129.71 = 15,251,664.88 : x
  2. Step 2: Convert to fraction form
    30,600,511.21/45,904,129.71 = 15,251,664.88/x
  3. Step 3: Cross multiply
    30,600,511.21x = 45,904,129.71 × 15,251,664.88
  4. Step 4: Simplify right side
    30,600,511.21x = 700,114,402,944,971.62
  5. Step 5: Solve for x
    x = 700,114,402,944,971.62/30,600,511.21
  6. Step 6: Final answer
    x = 22,879,173.43

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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.