Home / 13,010,537.89-17,954,935.92-7,208,776.81

Finding the Fourth Proportional to 13,010,537.89, 17,954,935.92 and 7,208,776.81

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Solution

The fourth proportional to 13,010,537.89, 17,954,935.92 and 7,208,776.81 is: 9,948,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010,537.89 : 17,954,935.92 = 7,208,776.81 : x
  2. Step 2: Convert to fraction form
    13,010,537.89/17,954,935.92 = 7,208,776.81/x
  3. Step 3: Cross multiply
    13,010,537.89x = 17,954,935.92 × 7,208,776.81
  4. Step 4: Simplify right side
    13,010,537.89x = 129,433,125,685,132.02
  5. Step 5: Solve for x
    x = 129,433,125,685,132.02/13,010,537.89
  6. Step 6: Final answer
    x = 9,948,330.10

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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.