Home / 12,780,161.26-17,636,607.18-7,555,052.62

Finding the Fourth Proportional to 12,780,161.26, 17,636,607.18 and 7,555,052.62

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Solution

The fourth proportional to 12,780,161.26, 17,636,607.18 and 7,555,052.62 is: 10,425,963.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,780,161.26 : 17,636,607.18 = 7,555,052.62 : x
  2. Step 2: Convert to fraction form
    12,780,161.26/17,636,607.18 = 7,555,052.62/x
  3. Step 3: Cross multiply
    12,780,161.26x = 17,636,607.18 × 7,555,052.62
  4. Step 4: Simplify right side
    12,780,161.26x = 133,245,495,283,169.81
  5. Step 5: Solve for x
    x = 133,245,495,283,169.81/12,780,161.26
  6. Step 6: Final answer
    x = 10,425,963.54

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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.