Home / 13,303,853.70-19,955,780.55-10,434,072.30

Finding the Fourth Proportional to 13,303,853.70, 19,955,780.55 and 10,434,072.30

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Solution

The fourth proportional to 13,303,853.70, 19,955,780.55 and 10,434,072.30 is: 15,651,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,853.70 : 19,955,780.55 = 10,434,072.30 : x
  2. Step 2: Convert to fraction form
    13,303,853.70/19,955,780.55 = 10,434,072.30/x
  3. Step 3: Cross multiply
    13,303,853.70x = 19,955,780.55 × 10,434,072.30
  4. Step 4: Simplify right side
    13,303,853.70x = 208,220,057,061,633.78
  5. Step 5: Solve for x
    x = 208,220,057,061,633.78/13,303,853.70
  6. Step 6: Final answer
    x = 15,651,108.45

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.