Home / 14,443,439.79-19,920,324.81-12,697,375.86

Finding the Fourth Proportional to 14,443,439.79, 19,920,324.81 and 12,697,375.86

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Solution

The fourth proportional to 14,443,439.79, 19,920,324.81 and 12,697,375.86 is: 17,512,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443,439.79 : 19,920,324.81 = 12,697,375.86 : x
  2. Step 2: Convert to fraction form
    14,443,439.79/19,920,324.81 = 12,697,375.86/x
  3. Step 3: Cross multiply
    14,443,439.79x = 19,920,324.81 × 12,697,375.86
  4. Step 4: Simplify right side
    14,443,439.79x = 252,935,851,365,853.06
  5. Step 5: Solve for x
    x = 252,935,851,365,853.06/14,443,439.79
  6. Step 6: Final answer
    x = 17,512,161.58

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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.