Home / 18,319,234.60-27,478,851.90-4,672,354.60

Finding the Fourth Proportional to 18,319,234.60, 27,478,851.90 and 4,672,354.60

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Solution

The fourth proportional to 18,319,234.60, 27,478,851.90 and 4,672,354.60 is: 7,008,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319,234.60 : 27,478,851.90 = 4,672,354.60 : x
  2. Step 2: Convert to fraction form
    18,319,234.60/27,478,851.90 = 4,672,354.60/x
  3. Step 3: Cross multiply
    18,319,234.60x = 27,478,851.90 × 4,672,354.60
  4. Step 4: Simplify right side
    18,319,234.60x = 128,390,940,077,683.72
  5. Step 5: Solve for x
    x = 128,390,940,077,683.72/18,319,234.60
  6. Step 6: Final answer
    x = 7,008,531.90

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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.