Home / 21,854,173.20-30,158,803.67-12,064,630.85

Finding the Fourth Proportional to 21,854,173.20, 30,158,803.67 and 12,064,630.85

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Solution

The fourth proportional to 21,854,173.20, 30,158,803.67 and 12,064,630.85 is: 16,649,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,854,173.20 : 30,158,803.67 = 12,064,630.85 : x
  2. Step 2: Convert to fraction form
    21,854,173.20/30,158,803.67 = 12,064,630.85/x
  3. Step 3: Cross multiply
    21,854,173.20x = 30,158,803.67 × 12,064,630.85
  4. Step 4: Simplify right side
    21,854,173.20x = 363,854,833,156,175.25
  5. Step 5: Solve for x
    x = 363,854,833,156,175.25/21,854,173.20
  6. Step 6: Final answer
    x = 16,649,215.22

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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.