Home / 13,122,010.29-18,108,385.56-7,320,793.23

Finding the Fourth Proportional to 13,122,010.29, 18,108,385.56 and 7,320,793.23

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Solution

The fourth proportional to 13,122,010.29, 18,108,385.56 and 7,320,793.23 is: 10,102,701.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,010.29 : 18,108,385.56 = 7,320,793.23 : x
  2. Step 2: Convert to fraction form
    13,122,010.29/18,108,385.56 = 7,320,793.23/x
  3. Step 3: Cross multiply
    13,122,010.29x = 18,108,385.56 × 7,320,793.23
  4. Step 4: Simplify right side
    13,122,010.29x = 132,567,746,413,877.75
  5. Step 5: Solve for x
    x = 132,567,746,413,877.75/13,122,010.29
  6. Step 6: Final answer
    x = 10,102,701.00

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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.