Home / 13,590,701.76-18,755,171.12-7,479,130.28

Finding the Fourth Proportional to 13,590,701.76, 18,755,171.12 and 7,479,130.28

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Solution

The fourth proportional to 13,590,701.76, 18,755,171.12 and 7,479,130.28 is: 10,321,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,701.76 : 18,755,171.12 = 7,479,130.28 : x
  2. Step 2: Convert to fraction form
    13,590,701.76/18,755,171.12 = 7,479,130.28/x
  3. Step 3: Cross multiply
    13,590,701.76x = 18,755,171.12 × 7,479,130.28
  4. Step 4: Simplify right side
    13,590,701.76x = 140,272,368,230,173.53
  5. Step 5: Solve for x
    x = 140,272,368,230,173.53/13,590,701.76
  6. Step 6: Final answer
    x = 10,321,201.27

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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.