Home / 14,443,447.59-19,920,335.58-12,697,383.65

Finding the Fourth Proportional to 14,443,447.59, 19,920,335.58 and 12,697,383.65

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Solution

The fourth proportional to 14,443,447.59, 19,920,335.58 and 12,697,383.65 is: 17,512,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443,447.59 : 19,920,335.58 = 12,697,383.65 : x
  2. Step 2: Convert to fraction form
    14,443,447.59/19,920,335.58 = 12,697,383.65/x
  3. Step 3: Cross multiply
    14,443,447.59x = 19,920,335.58 × 12,697,383.65
  4. Step 4: Simplify right side
    14,443,447.59x = 252,936,143,196,403.56
  5. Step 5: Solve for x
    x = 252,936,143,196,403.56/14,443,447.59
  6. Step 6: Final answer
    x = 17,512,172.33

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1.5x scale

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.