Home / 21,927,017.28-30,258,917.40-12,137,251.44

Finding the Fourth Proportional to 21,927,017.28, 30,258,917.40 and 12,137,251.44

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Solution

The fourth proportional to 21,927,017.28, 30,258,917.40 and 12,137,251.44 is: 16,749,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927,017.28 : 30,258,917.40 = 12,137,251.44 : x
  2. Step 2: Convert to fraction form
    21,927,017.28/30,258,917.40 = 12,137,251.44/x
  3. Step 3: Cross multiply
    21,927,017.28x = 30,258,917.40 × 12,137,251.44
  4. Step 4: Simplify right side
    21,927,017.28x = 367,260,088,785,991
  5. Step 5: Solve for x
    x = 367,260,088,785,991/21,927,017.28
  6. Step 6: Final answer
    x = 16,749,204.15

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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.