Home / 30,408,441.30-45,612,281.34-7,379,566.56

Finding the Fourth Proportional to 30,408,441.30, 45,612,281.34 and 7,379,566.56

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Solution

The fourth proportional to 30,408,441.30, 45,612,281.34 and 7,379,566.56 is: 11,069,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408,441.30 : 45,612,281.34 = 7,379,566.56 : x
  2. Step 2: Convert to fraction form
    30,408,441.30/45,612,281.34 = 7,379,566.56/x
  3. Step 3: Cross multiply
    30,408,441.30x = 45,612,281.34 × 7,379,566.56
  4. Step 4: Simplify right side
    30,408,441.30x = 336,598,866,101,976
  5. Step 5: Solve for x
    x = 336,598,866,101,976/30,408,441.30
  6. Step 6: Final answer
    x = 11,069,257.47

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1.5x scale

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.