Home / 30,408,360.46-45,612,160.25-7,379,485.76

Finding the Fourth Proportional to 30,408,360.46, 45,612,160.25 and 7,379,485.76

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Solution

The fourth proportional to 30,408,360.46, 45,612,160.25 and 7,379,485.76 is: 11,069,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408,360.46 : 45,612,160.25 = 7,379,485.76 : x
  2. Step 2: Convert to fraction form
    30,408,360.46/45,612,160.25 = 7,379,485.76/x
  3. Step 3: Cross multiply
    30,408,360.46x = 45,612,160.25 × 7,379,485.76
  4. Step 4: Simplify right side
    30,408,360.46x = 336,594,287,047,713
  5. Step 5: Solve for x
    x = 336,594,287,047,713/30,408,360.46
  6. Step 6: Final answer
    x = 11,069,136.32

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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.