Home / 30,455,743.05-45,669,442.91-11,281,351.77

Finding the Fourth Proportional to 30,455,743.05, 45,669,442.91 and 11,281,351.77

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Solution

The fourth proportional to 30,455,743.05, 45,669,442.91 and 11,281,351.77 is: 16,916,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,455,743.05 : 45,669,442.91 = 11,281,351.77 : x
  2. Step 2: Convert to fraction form
    30,455,743.05/45,669,442.91 = 11,281,351.77/x
  3. Step 3: Cross multiply
    30,455,743.05x = 45,669,442.91 × 11,281,351.77
  4. Step 4: Simplify right side
    30,455,743.05x = 515,213,050,551,235.69
  5. Step 5: Solve for x
    x = 515,213,050,551,235.69/30,455,743.05
  6. Step 6: Final answer
    x = 16,916,778.22

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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.