Home / 28,288,672.80-42,333,476.40-25,899,885.60

Finding the Fourth Proportional to 28,288,672.80, 42,333,476.40 and 25,899,885.60

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Solution

The fourth proportional to 28,288,672.80, 42,333,476.40 and 25,899,885.60 is: 38,758,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,288,672.80 : 42,333,476.40 = 25,899,885.60 : x
  2. Step 2: Convert to fraction form
    28,288,672.80/42,333,476.40 = 25,899,885.60/x
  3. Step 3: Cross multiply
    28,288,672.80x = 42,333,476.40 × 25,899,885.60
  4. Step 4: Simplify right side
    28,288,672.80x = 1,096,432,195,810,299.88
  5. Step 5: Solve for x
    x = 1,096,432,195,810,299.88/28,288,672.80
  6. Step 6: Final answer
    x = 38,758,700.47

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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.