Home / 28,400,946.40-42,576,536.40-17,045,912.80

Finding the Fourth Proportional to 28,400,946.40, 42,576,536.40 and 17,045,912.80

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Solution

The fourth proportional to 28,400,946.40, 42,576,536.40 and 17,045,912.80 is: 25,553,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400,946.40 : 42,576,536.40 = 17,045,912.80 : x
  2. Step 2: Convert to fraction form
    28,400,946.40/42,576,536.40 = 17,045,912.80/x
  3. Step 3: Cross multiply
    28,400,946.40x = 42,576,536.40 × 17,045,912.80
  4. Step 4: Simplify right side
    28,400,946.40x = 725,755,926,800,425.88
  5. Step 5: Solve for x
    x = 725,755,926,800,425.88/28,400,946.40
  6. Step 6: Final answer
    x = 25,553,934.60

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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.