Home / 21,854,578.35-30,158,528.12-12,064,812.75

Finding the Fourth Proportional to 21,854,578.35, 30,158,528.12 and 12,064,812.75

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Solution

The fourth proportional to 21,854,578.35, 30,158,528.12 and 12,064,812.75 is: 16,649,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,854,578.35 : 30,158,528.12 = 12,064,812.75 : x
  2. Step 2: Convert to fraction form
    21,854,578.35/30,158,528.12 = 12,064,812.75/x
  3. Step 3: Cross multiply
    21,854,578.35x = 30,158,528.12 × 12,064,812.75
  4. Step 4: Simplify right side
    21,854,578.35x = 363,856,994,523,085.44
  5. Step 5: Solve for x
    x = 363,856,994,523,085.44/21,854,578.35
  6. Step 6: Final answer
    x = 16,649,005.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.