Home / 12,780,160.26-17,636,605.80-7,555,051.62

Finding the Fourth Proportional to 12,780,160.26, 17,636,605.80 and 7,555,051.62

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Solution

The fourth proportional to 12,780,160.26, 17,636,605.80 and 7,555,051.62 is: 10,425,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,780,160.26 : 17,636,605.80 = 7,555,051.62 : x
  2. Step 2: Convert to fraction form
    12,780,160.26/17,636,605.80 = 7,555,051.62/x
  3. Step 3: Cross multiply
    12,780,160.26x = 17,636,605.80 × 7,555,051.62
  4. Step 4: Simplify right side
    12,780,160.26x = 133,245,467,220,591.41
  5. Step 5: Solve for x
    x = 133,245,467,220,591.41/12,780,160.26
  6. Step 6: Final answer
    x = 10,425,962.16

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1.5x scale

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.