Home / 30,408,359.96-45,612,159.50-7,379,485.26

Finding the Fourth Proportional to 30,408,359.96, 45,612,159.50 and 7,379,485.26

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Solution

The fourth proportional to 30,408,359.96, 45,612,159.50 and 7,379,485.26 is: 11,069,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408,359.96 : 45,612,159.50 = 7,379,485.26 : x
  2. Step 2: Convert to fraction form
    30,408,359.96/45,612,159.50 = 7,379,485.26/x
  3. Step 3: Cross multiply
    30,408,359.96x = 45,612,159.50 × 7,379,485.26
  4. Step 4: Simplify right side
    30,408,359.96x = 336,594,258,707,018.94
  5. Step 5: Solve for x
    x = 336,594,258,707,018.94/30,408,359.96
  6. Step 6: Final answer
    x = 11,069,135.57

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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.