Home / 12,559,477.60-18,860,211.60-8,318,447.20

Finding the Fourth Proportional to 12,559,477.60, 18,860,211.60 and 8,318,447.20

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Solution

The fourth proportional to 12,559,477.60, 18,860,211.60 and 8,318,447.20 is: 12,491,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559,477.60 : 18,860,211.60 = 8,318,447.20 : x
  2. Step 2: Convert to fraction form
    12,559,477.60/18,860,211.60 = 8,318,447.20/x
  3. Step 3: Cross multiply
    12,559,477.60x = 18,860,211.60 × 8,318,447.20
  4. Step 4: Simplify right side
    12,559,477.60x = 156,887,674,375,427.53
  5. Step 5: Solve for x
    x = 156,887,674,375,427.53/12,559,477.60
  6. Step 6: Final answer
    x = 12,491,576.43

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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.