Home / 21,854,172.20-30,158,802.29-12,064,629.85

Finding the Fourth Proportional to 21,854,172.20, 30,158,802.29 and 12,064,629.85

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Solution

The fourth proportional to 21,854,172.20, 30,158,802.29 and 12,064,629.85 is: 16,649,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,854,172.20 : 30,158,802.29 = 12,064,629.85 : x
  2. Step 2: Convert to fraction form
    21,854,172.20/30,158,802.29 = 12,064,629.85/x
  3. Step 3: Cross multiply
    21,854,172.20x = 30,158,802.29 × 12,064,629.85
  4. Step 4: Simplify right side
    21,854,172.20x = 363,854,786,302,946.94
  5. Step 5: Solve for x
    x = 363,854,786,302,946.94/21,854,172.20
  6. Step 6: Final answer
    x = 16,649,213.85

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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.