Home / 30,443,599.86-45,672,116.61-8,879,889.21

Finding the Fourth Proportional to 30,443,599.86, 45,672,116.61 and 8,879,889.21

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Solution

The fourth proportional to 30,443,599.86, 45,672,116.61 and 8,879,889.21 is: 13,321,792.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443,599.86 : 45,672,116.61 = 8,879,889.21 : x
  2. Step 2: Convert to fraction form
    30,443,599.86/45,672,116.61 = 8,879,889.21/x
  3. Step 3: Cross multiply
    30,443,599.86x = 45,672,116.61 × 8,879,889.21
  4. Step 4: Simplify right side
    30,443,599.86x = 405,563,335,210,240.75
  5. Step 5: Solve for x
    x = 405,563,335,210,240.75/30,443,599.86
  6. Step 6: Final answer
    x = 13,321,792.99

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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.