Home / 7,884,905.80-11,827,358.70-2,205,574.60

Finding the Fourth Proportional to 7,884,905.80, 11,827,358.70 and 2,205,574.60

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Solution

The fourth proportional to 7,884,905.80, 11,827,358.70 and 2,205,574.60 is: 3,308,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,905.80 : 11,827,358.70 = 2,205,574.60 : x
  2. Step 2: Convert to fraction form
    7,884,905.80/11,827,358.70 = 2,205,574.60/x
  3. Step 3: Cross multiply
    7,884,905.80x = 11,827,358.70 × 2,205,574.60
  4. Step 4: Simplify right side
    7,884,905.80x = 26,086,121,933,809.02
  5. Step 5: Solve for x
    x = 26,086,121,933,809.02/7,884,905.80
  6. Step 6: Final answer
    x = 3,308,361.90

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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.