Home / 21,505,512.30-32,258,268.45-7,130,798.70

Finding the Fourth Proportional to 21,505,512.30, 32,258,268.45 and 7,130,798.70

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Solution

The fourth proportional to 21,505,512.30, 32,258,268.45 and 7,130,798.70 is: 10,696,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,512.30 : 32,258,268.45 = 7,130,798.70 : x
  2. Step 2: Convert to fraction form
    21,505,512.30/32,258,268.45 = 7,130,798.70/x
  3. Step 3: Cross multiply
    21,505,512.30x = 32,258,268.45 × 7,130,798.70
  4. Step 4: Simplify right side
    21,505,512.30x = 230,027,218,727,511.03
  5. Step 5: Solve for x
    x = 230,027,218,727,511.03/21,505,512.30
  6. Step 6: Final answer
    x = 10,696,198.05

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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.