Home / 21,954,330.72-30,296,946.68-12,165,408.83

Finding the Fourth Proportional to 21,954,330.72, 30,296,946.68 and 12,165,408.83

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Solution

The fourth proportional to 21,954,330.72, 30,296,946.68 and 12,165,408.83 is: 16,788,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954,330.72 : 30,296,946.68 = 12,165,408.83 : x
  2. Step 2: Convert to fraction form
    21,954,330.72/30,296,946.68 = 12,165,408.83/x
  3. Step 3: Cross multiply
    21,954,330.72x = 30,296,946.68 × 12,165,408.83
  4. Step 4: Simplify right side
    21,954,330.72x = 368,574,742,723,446.81
  5. Step 5: Solve for x
    x = 368,574,742,723,446.81/21,954,330.72
  6. Step 6: Final answer
    x = 16,788,247.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.