Home / 30,443,696.56-45,672,261.36-8,879,985.64

Finding the Fourth Proportional to 30,443,696.56, 45,672,261.36 and 8,879,985.64

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Solution

The fourth proportional to 30,443,696.56, 45,672,261.36 and 8,879,985.64 is: 13,321,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443,696.56 : 45,672,261.36 = 8,879,985.64 : x
  2. Step 2: Convert to fraction form
    30,443,696.56/45,672,261.36 = 8,879,985.64/x
  3. Step 3: Cross multiply
    30,443,696.56x = 45,672,261.36 × 8,879,985.64
  4. Step 4: Simplify right side
    30,443,696.56x = 405,569,025,023,126.88
  5. Step 5: Solve for x
    x = 405,569,025,023,126.88/30,443,696.56
  6. Step 6: Final answer
    x = 13,321,937.57

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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.