Home / 30,559,888-42,178,636.20-17,515,889.74

Finding the Fourth Proportional to 30,559,888, 42,178,636.20 and 17,515,889.74

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Solution

The fourth proportional to 30,559,888, 42,178,636.20 and 17,515,889.74 is: 24,175,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559,888 : 42,178,636.20 = 17,515,889.74 : x
  2. Step 2: Convert to fraction form
    30,559,888/42,178,636.20 = 17,515,889.74/x
  3. Step 3: Cross multiply
    30,559,888x = 42,178,636.20 × 17,515,889.74
  4. Step 4: Simplify right side
    30,559,888x = 738,796,341,062,772.62
  5. Step 5: Solve for x
    x = 738,796,341,062,772.62/30,559,888
  6. Step 6: Final answer
    x = 24,175,361.54

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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.