Home / 14,128,352.46-19,495,793.77-7,932,189.01

Finding the Fourth Proportional to 14,128,352.46, 19,495,793.77 and 7,932,189.01

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Solution

The fourth proportional to 14,128,352.46, 19,495,793.77 and 7,932,189.01 is: 10,945,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128,352.46 : 19,495,793.77 = 7,932,189.01 : x
  2. Step 2: Convert to fraction form
    14,128,352.46/19,495,793.77 = 7,932,189.01/x
  3. Step 3: Cross multiply
    14,128,352.46x = 19,495,793.77 × 7,932,189.01
  4. Step 4: Simplify right side
    14,128,352.46x = 154,644,321,083,620.47
  5. Step 5: Solve for x
    x = 154,644,321,083,620.47/14,128,352.46
  6. Step 6: Final answer
    x = 10,945,672.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.