Home / 28,400,957.40-42,576,552.90-17,045,923.80

Finding the Fourth Proportional to 28,400,957.40, 42,576,552.90 and 17,045,923.80

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Solution

The fourth proportional to 28,400,957.40, 42,576,552.90 and 17,045,923.80 is: 25,553,951.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400,957.40 : 42,576,552.90 = 17,045,923.80 : x
  2. Step 2: Convert to fraction form
    28,400,957.40/42,576,552.90 = 17,045,923.80/x
  3. Step 3: Cross multiply
    28,400,957.40x = 42,576,552.90 × 17,045,923.80
  4. Step 4: Simplify right side
    28,400,957.40x = 725,756,676,400,069
  5. Step 5: Solve for x
    x = 725,756,676,400,069/28,400,957.40
  6. Step 6: Final answer
    x = 25,553,951.09

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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.