Home / 30,559,845-42,178,576.86-17,515,846.65

Finding the Fourth Proportional to 30,559,845, 42,178,576.86 and 17,515,846.65

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Solution

The fourth proportional to 30,559,845, 42,178,576.86 and 17,515,846.65 is: 24,175,302.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559,845 : 42,178,576.86 = 17,515,846.65 : x
  2. Step 2: Convert to fraction form
    30,559,845/42,178,576.86 = 17,515,846.65/x
  3. Step 3: Cross multiply
    30,559,845x = 42,178,576.86 × 17,515,846.65
  4. Step 4: Simplify right side
    30,559,845x = 738,793,484,194,998.50
  5. Step 5: Solve for x
    x = 738,793,484,194,998.50/30,559,845
  6. Step 6: Final answer
    x = 24,175,302.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.