Home / 12,308,601.40-18,466,314.90-5,123,519.80

Finding the Fourth Proportional to 12,308,601.40, 18,466,314.90 and 5,123,519.80

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Solution

The fourth proportional to 12,308,601.40, 18,466,314.90 and 5,123,519.80 is: 7,686,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,601.40 : 18,466,314.90 = 5,123,519.80 : x
  2. Step 2: Convert to fraction form
    12,308,601.40/18,466,314.90 = 5,123,519.80/x
  3. Step 3: Cross multiply
    12,308,601.40x = 18,466,314.90 × 5,123,519.80
  4. Step 4: Simplify right side
    12,308,601.40x = 94,612,530,023,185.02
  5. Step 5: Solve for x
    x = 94,612,530,023,185.02/12,308,601.40
  6. Step 6: Final answer
    x = 7,686,700.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.