Home / 12,476,535.40-18,700,287.90-5,745,629.80

Finding the Fourth Proportional to 12,476,535.40, 18,700,287.90 and 5,745,629.80

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Solution

The fourth proportional to 12,476,535.40, 18,700,287.90 and 5,745,629.80 is: 8,611,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,535.40 : 18,700,287.90 = 5,745,629.80 : x
  2. Step 2: Convert to fraction form
    12,476,535.40/18,700,287.90 = 5,745,629.80/x
  3. Step 3: Cross multiply
    12,476,535.40x = 18,700,287.90 × 5,745,629.80
  4. Step 4: Simplify right side
    12,476,535.40x = 107,444,931,426,819.41
  5. Step 5: Solve for x
    x = 107,444,931,426,819.41/12,476,535.40
  6. Step 6: Final answer
    x = 8,611,760.23

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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.