Home / 20,298,701.70-30,449,434.95-6,464,564.10

Finding the Fourth Proportional to 20,298,701.70, 30,449,434.95 and 6,464,564.10

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Solution

The fourth proportional to 20,298,701.70, 30,449,434.95 and 6,464,564.10 is: 9,697,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,701.70 : 30,449,434.95 = 6,464,564.10 : x
  2. Step 2: Convert to fraction form
    20,298,701.70/30,449,434.95 = 6,464,564.10/x
  3. Step 3: Cross multiply
    20,298,701.70x = 30,449,434.95 × 6,464,564.10
  4. Step 4: Simplify right side
    20,298,701.70x = 196,842,324,043,055.28
  5. Step 5: Solve for x
    x = 196,842,324,043,055.28/20,298,701.70
  6. Step 6: Final answer
    x = 9,697,286.41

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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.