Home / 13,122,001.20-18,108,373.01-7,320,784.14

Finding the Fourth Proportional to 13,122,001.20, 18,108,373.01 and 7,320,784.14

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Solution

The fourth proportional to 13,122,001.20, 18,108,373.01 and 7,320,784.14 is: 10,102,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,001.20 : 18,108,373.01 = 7,320,784.14 : x
  2. Step 2: Convert to fraction form
    13,122,001.20/18,108,373.01 = 7,320,784.14/x
  3. Step 3: Cross multiply
    13,122,001.20x = 18,108,373.01 × 7,320,784.14
  4. Step 4: Simplify right side
    13,122,001.20x = 132,567,489,896,208.12
  5. Step 5: Solve for x
    x = 132,567,489,896,208.12/13,122,001.20
  6. Step 6: Final answer
    x = 10,102,688.44

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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.