Home / 30,285,499.86-45,433,892.25-9,813,393.81

Finding the Fourth Proportional to 30,285,499.86, 45,433,892.25 and 9,813,393.81

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Solution

The fourth proportional to 30,285,499.86, 45,433,892.25 and 9,813,393.81 is: 14,721,919.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285,499.86 : 45,433,892.25 = 9,813,393.81 : x
  2. Step 2: Convert to fraction form
    30,285,499.86/45,433,892.25 = 9,813,393.81/x
  3. Step 3: Cross multiply
    30,285,499.86x = 45,433,892.25 × 9,813,393.81
  4. Step 4: Simplify right side
    30,285,499.86x = 445,860,676,970,357
  5. Step 5: Solve for x
    x = 445,860,676,970,357/30,285,499.86
  6. Step 6: Final answer
    x = 14,721,919.04

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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.