Home / 20,674,903.59-31,012,353.45-5,528,441.43

Finding the Fourth Proportional to 20,674,903.59, 31,012,353.45 and 5,528,441.43

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Solution

The fourth proportional to 20,674,903.59, 31,012,353.45 and 5,528,441.43 is: 8,292,661.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674,903.59 : 31,012,353.45 = 5,528,441.43 : x
  2. Step 2: Convert to fraction form
    20,674,903.59/31,012,353.45 = 5,528,441.43/x
  3. Step 3: Cross multiply
    20,674,903.59x = 31,012,353.45 × 5,528,441.43
  4. Step 4: Simplify right side
    20,674,903.59x = 171,449,979,654,783.41
  5. Step 5: Solve for x
    x = 171,449,979,654,783.41/20,674,903.59
  6. Step 6: Final answer
    x = 8,292,661.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.