Home / 14,883,479.19-20,491,690.23-12,699,256.68

Finding the Fourth Proportional to 14,883,479.19, 20,491,690.23 and 12,699,256.68

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Solution

The fourth proportional to 14,883,479.19, 20,491,690.23 and 12,699,256.68 is: 17,484,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,883,479.19 : 20,491,690.23 = 12,699,256.68 : x
  2. Step 2: Convert to fraction form
    14,883,479.19/20,491,690.23 = 12,699,256.68/x
  3. Step 3: Cross multiply
    14,883,479.19x = 20,491,690.23 × 12,699,256.68
  4. Step 4: Simplify right side
    14,883,479.19x = 260,229,234,037,818.25
  5. Step 5: Solve for x
    x = 260,229,234,037,818.25/14,883,479.19
  6. Step 6: Final answer
    x = 17,484,435.64

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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.