Home / 39,280,623.41-58,920,939.74-11,987,059.22

Finding the Fourth Proportional to 39,280,623.41, 58,920,939.74 and 11,987,059.22

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Solution

The fourth proportional to 39,280,623.41, 58,920,939.74 and 11,987,059.22 is: 17,980,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,280,623.41 : 58,920,939.74 = 11,987,059.22 : x
  2. Step 2: Convert to fraction form
    39,280,623.41/58,920,939.74 = 11,987,059.22/x
  3. Step 3: Cross multiply
    39,280,623.41x = 58,920,939.74 × 11,987,059.22
  4. Step 4: Simplify right side
    39,280,623.41x = 706,288,793,606,891.38
  5. Step 5: Solve for x
    x = 706,288,793,606,891.38/39,280,623.41
  6. Step 6: Final answer
    x = 17,980,590.23

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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.