Home / 40,728,009.80-61,090,632.30-10,436,169.80

Finding the Fourth Proportional to 40,728,009.80, 61,090,632.30 and 10,436,169.80

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Solution

The fourth proportional to 40,728,009.80, 61,090,632.30 and 10,436,169.80 is: 15,653,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728,009.80 : 61,090,632.30 = 10,436,169.80 : x
  2. Step 2: Convert to fraction form
    40,728,009.80/61,090,632.30 = 10,436,169.80/x
  3. Step 3: Cross multiply
    40,728,009.80x = 61,090,632.30 × 10,436,169.80
  4. Step 4: Simplify right side
    40,728,009.80x = 637,552,211,872,164.50
  5. Step 5: Solve for x
    x = 637,552,211,872,164.50/40,728,009.80
  6. Step 6: Final answer
    x = 15,653,900.47

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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.