Home / 14,443,453.76-19,920,344.16-12,697,389.92

Finding the Fourth Proportional to 14,443,453.76, 19,920,344.16 and 12,697,389.92

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Solution

The fourth proportional to 14,443,453.76, 19,920,344.16 and 12,697,389.92 is: 17,512,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443,453.76 : 19,920,344.16 = 12,697,389.92 : x
  2. Step 2: Convert to fraction form
    14,443,453.76/19,920,344.16 = 12,697,389.92/x
  3. Step 3: Cross multiply
    14,443,453.76x = 19,920,344.16 × 12,697,389.92
  4. Step 4: Simplify right side
    14,443,453.76x = 252,936,377,140,114.88
  5. Step 5: Solve for x
    x = 252,936,377,140,114.88/14,443,453.76
  6. Step 6: Final answer
    x = 17,512,181.04

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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.