Home / 12,316,491.64-18,470,142.60-4,227,171.76

Finding the Fourth Proportional to 12,316,491.64, 18,470,142.60 and 4,227,171.76

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Solution

The fourth proportional to 12,316,491.64, 18,470,142.60 and 4,227,171.76 is: 6,339,180.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316,491.64 : 18,470,142.60 = 4,227,171.76 : x
  2. Step 2: Convert to fraction form
    12,316,491.64/18,470,142.60 = 4,227,171.76/x
  3. Step 3: Cross multiply
    12,316,491.64x = 18,470,142.60 × 4,227,171.76
  4. Step 4: Simplify right side
    12,316,491.64x = 78,076,465,201,892.98
  5. Step 5: Solve for x
    x = 78,076,465,201,892.98/12,316,491.64
  6. Step 6: Final answer
    x = 6,339,180.63

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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.