Home / 14,883,480.69-20,491,692.30-12,699,258.18

Finding the Fourth Proportional to 14,883,480.69, 20,491,692.30 and 12,699,258.18

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Solution

The fourth proportional to 14,883,480.69, 20,491,692.30 and 12,699,258.18 is: 17,484,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,883,480.69 : 20,491,692.30 = 12,699,258.18 : x
  2. Step 2: Convert to fraction form
    14,883,480.69/20,491,692.30 = 12,699,258.18/x
  3. Step 3: Cross multiply
    14,883,480.69x = 20,491,692.30 × 12,699,258.18
  4. Step 4: Simplify right side
    14,883,480.69x = 260,229,291,062,818.03
  5. Step 5: Solve for x
    x = 260,229,291,062,818.03/14,883,480.69
  6. Step 6: Final answer
    x = 17,484,437.71

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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.