Home / 14,443,448.59-19,920,336.96-12,697,384.65

Finding the Fourth Proportional to 14,443,448.59, 19,920,336.96 and 12,697,384.65

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Solution

The fourth proportional to 14,443,448.59, 19,920,336.96 and 12,697,384.65 is: 17,512,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443,448.59 : 19,920,336.96 = 12,697,384.65 : x
  2. Step 2: Convert to fraction form
    14,443,448.59/19,920,336.96 = 12,697,384.65/x
  3. Step 3: Cross multiply
    14,443,448.59x = 19,920,336.96 × 12,697,384.65
  4. Step 4: Simplify right side
    14,443,448.59x = 252,936,180,738,731.69
  5. Step 5: Solve for x
    x = 252,936,180,738,731.69/14,443,448.59
  6. Step 6: Final answer
    x = 17,512,173.71

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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.