Home / 51,686,805.28-71,330,913.36-28,481,892.64

Finding the Fourth Proportional to 51,686,805.28, 71,330,913.36 and 28,481,892.64

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Solution

The fourth proportional to 51,686,805.28, 71,330,913.36 and 28,481,892.64 is: 39,306,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686,805.28 : 71,330,913.36 = 28,481,892.64 : x
  2. Step 2: Convert to fraction form
    51,686,805.28/71,330,913.36 = 28,481,892.64/x
  3. Step 3: Cross multiply
    51,686,805.28x = 71,330,913.36 × 28,481,892.64
  4. Step 4: Simplify right side
    51,686,805.28x = 2,031,639,416,232,661.75
  5. Step 5: Solve for x
    x = 2,031,639,416,232,661.75/51,686,805.28
  6. Step 6: Final answer
    x = 39,306,732.25

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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.