Home / 30,408,358.46-45,612,157.26-7,379,483.77

Finding the Fourth Proportional to 30,408,358.46, 45,612,157.26 and 7,379,483.77

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Solution

The fourth proportional to 30,408,358.46, 45,612,157.26 and 7,379,483.77 is: 11,069,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408,358.46 : 45,612,157.26 = 7,379,483.77 : x
  2. Step 2: Convert to fraction form
    30,408,358.46/45,612,157.26 = 7,379,483.77/x
  3. Step 3: Cross multiply
    30,408,358.46x = 45,612,157.26 × 7,379,483.77
  4. Step 4: Simplify right side
    30,408,358.46x = 336,594,173,986,796.88
  5. Step 5: Solve for x
    x = 336,594,173,986,796.88/30,408,358.46
  6. Step 6: Final answer
    x = 11,069,133.32

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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.