Home / 21,988,585.22-30,347,889.71-12,202,172.91

Finding the Fourth Proportional to 21,988,585.22, 30,347,889.71 and 12,202,172.91

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Solution

The fourth proportional to 21,988,585.22, 30,347,889.71 and 12,202,172.91 is: 16,841,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,988,585.22 : 30,347,889.71 = 12,202,172.91 : x
  2. Step 2: Convert to fraction form
    21,988,585.22/30,347,889.71 = 12,202,172.91/x
  3. Step 3: Cross multiply
    21,988,585.22x = 30,347,889.71 × 12,202,172.91
  4. Step 4: Simplify right side
    21,988,585.22x = 370,310,197,634,018.88
  5. Step 5: Solve for x
    x = 370,310,197,634,018.88/21,988,585.22
  6. Step 6: Final answer
    x = 16,841,019.74

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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.