Home / 12,780,159.56-17,636,604.75-7,555,050.84

Finding the Fourth Proportional to 12,780,159.56, 17,636,604.75 and 7,555,050.84

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Solution

The fourth proportional to 12,780,159.56, 17,636,604.75 and 7,555,050.84 is: 10,425,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,780,159.56 : 17,636,604.75 = 7,555,050.84 : x
  2. Step 2: Convert to fraction form
    12,780,159.56/17,636,604.75 = 7,555,050.84/x
  3. Step 3: Cross multiply
    12,780,159.56x = 17,636,604.75 × 7,555,050.84
  4. Step 4: Simplify right side
    12,780,159.56x = 133,245,445,531,235.48
  5. Step 5: Solve for x
    x = 133,245,445,531,235.48/12,780,159.56
  6. Step 6: Final answer
    x = 10,425,961.03

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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.