Home / 17,579,432.40-26,377,021.80-7,989,874.80

Finding the Fourth Proportional to 17,579,432.40, 26,377,021.80 and 7,989,874.80

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Solution

The fourth proportional to 17,579,432.40, 26,377,021.80 and 7,989,874.80 is: 11,988,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,579,432.40 : 26,377,021.80 = 7,989,874.80 : x
  2. Step 2: Convert to fraction form
    17,579,432.40/26,377,021.80 = 7,989,874.80/x
  3. Step 3: Cross multiply
    17,579,432.40x = 26,377,021.80 × 7,989,874.80
  4. Step 4: Simplify right side
    17,579,432.40x = 210,749,101,778,870.66
  5. Step 5: Solve for x
    x = 210,749,101,778,870.66/17,579,432.40
  6. Step 6: Final answer
    x = 11,988,390.58

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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.