Home / 11,761,973.80-17,642,960.70-9,872,405.80

Finding the Fourth Proportional to 11,761,973.80, 17,642,960.70 and 9,872,405.80

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Solution

The fourth proportional to 11,761,973.80, 17,642,960.70 and 9,872,405.80 is: 14,808,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761,973.80 : 17,642,960.70 = 9,872,405.80 : x
  2. Step 2: Convert to fraction form
    11,761,973.80/17,642,960.70 = 9,872,405.80/x
  3. Step 3: Cross multiply
    11,761,973.80x = 17,642,960.70 × 9,872,405.80
  4. Step 4: Simplify right side
    11,761,973.80x = 174,178,467,543,852.06
  5. Step 5: Solve for x
    x = 174,178,467,543,852.06/11,761,973.80
  6. Step 6: Final answer
    x = 14,808,608.70

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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.