Home / 21,428,527.35-29,571,757.32-12,138,026.41

Finding the Fourth Proportional to 21,428,527.35, 29,571,757.32 and 12,138,026.41

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Solution

The fourth proportional to 21,428,527.35, 29,571,757.32 and 12,138,026.41 is: 16,750,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,428,527.35 : 29,571,757.32 = 12,138,026.41 : x
  2. Step 2: Convert to fraction form
    21,428,527.35/29,571,757.32 = 12,138,026.41/x
  3. Step 3: Cross multiply
    21,428,527.35x = 29,571,757.32 × 12,138,026.41
  4. Step 4: Simplify right side
    21,428,527.35x = 358,942,771,422,753.12
  5. Step 5: Solve for x
    x = 358,942,771,422,753.12/21,428,527.35
  6. Step 6: Final answer
    x = 16,750,697.12

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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.