Home / 10,136,584.80-15,205,032.72-3,405,057.12

Finding the Fourth Proportional to 10,136,584.80, 15,205,032.72 and 3,405,057.12

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Solution

The fourth proportional to 10,136,584.80, 15,205,032.72 and 3,405,057.12 is: 5,107,637.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136,584.80 : 15,205,032.72 = 3,405,057.12 : x
  2. Step 2: Convert to fraction form
    10,136,584.80/15,205,032.72 = 3,405,057.12/x
  3. Step 3: Cross multiply
    10,136,584.80x = 15,205,032.72 × 3,405,057.12
  4. Step 4: Simplify right side
    10,136,584.80x = 51,774,004,923,068.97
  5. Step 5: Solve for x
    x = 51,774,004,923,068.97/10,136,584.80
  6. Step 6: Final answer
    x = 5,107,637.92

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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.