Home / 12,448,935.20-18,672,020.40-10,201,152.80

Finding the Fourth Proportional to 12,448,935.20, 18,672,020.40 and 10,201,152.80

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Solution

The fourth proportional to 12,448,935.20, 18,672,020.40 and 10,201,152.80 is: 15,300,596.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448,935.20 : 18,672,020.40 = 10,201,152.80 : x
  2. Step 2: Convert to fraction form
    12,448,935.20/18,672,020.40 = 10,201,152.80/x
  3. Step 3: Cross multiply
    12,448,935.20x = 18,672,020.40 × 10,201,152.80
  4. Step 4: Simplify right side
    12,448,935.20x = 190,476,133,185,117.12
  5. Step 5: Solve for x
    x = 190,476,133,185,117.12/12,448,935.20
  6. Step 6: Final answer
    x = 15,300,596.41

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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.