Home / 15,471,505.10-23,190,308.40-7,782,887.90

Finding the Fourth Proportional to 15,471,505.10, 23,190,308.40 and 7,782,887.90

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Solution

The fourth proportional to 15,471,505.10, 23,190,308.40 and 7,782,887.90 is: 11,665,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471,505.10 : 23,190,308.40 = 7,782,887.90 : x
  2. Step 2: Convert to fraction form
    15,471,505.10/23,190,308.40 = 7,782,887.90/x
  3. Step 3: Cross multiply
    15,471,505.10x = 23,190,308.40 × 7,782,887.90
  4. Step 4: Simplify right side
    15,471,505.10x = 180,487,570,643,628.34
  5. Step 5: Solve for x
    x = 180,487,570,643,628.34/15,471,505.10
  6. Step 6: Final answer
    x = 11,665,805.59

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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.