Home / 21,897,126.56-30,215,903.28-12,106,230.32

Finding the Fourth Proportional to 21,897,126.56, 30,215,903.28 and 12,106,230.32

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Solution

The fourth proportional to 21,897,126.56, 30,215,903.28 and 12,106,230.32 is: 16,705,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,897,126.56 : 30,215,903.28 = 12,106,230.32 : x
  2. Step 2: Convert to fraction form
    21,897,126.56/30,215,903.28 = 12,106,230.32/x
  3. Step 3: Cross multiply
    21,897,126.56x = 30,215,903.28 × 12,106,230.32
  4. Step 4: Simplify right side
    21,897,126.56x = 365,800,684,434,523.50
  5. Step 5: Solve for x
    x = 365,800,684,434,523.50/21,897,126.56
  6. Step 6: Final answer
    x = 16,705,419.47

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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.