Home / 21,927,260.12-30,259,251.71-12,137,493.60

Finding the Fourth Proportional to 21,927,260.12, 30,259,251.71 and 12,137,493.60

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Solution

The fourth proportional to 21,927,260.12, 30,259,251.71 and 12,137,493.60 is: 16,749,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927,260.12 : 30,259,251.71 = 12,137,493.60 : x
  2. Step 2: Convert to fraction form
    21,927,260.12/30,259,251.71 = 12,137,493.60/x
  3. Step 3: Cross multiply
    21,927,260.12x = 30,259,251.71 × 12,137,493.60
  4. Step 4: Simplify right side
    21,927,260.12x = 367,271,473,955,742.19
  5. Step 5: Solve for x
    x = 367,271,473,955,742.19/21,927,260.12
  6. Step 6: Final answer
    x = 16,749,537.88

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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.