Home / 13,108,966.47-18,091,450.62-7,229,750.47

Finding the Fourth Proportional to 13,108,966.47, 18,091,450.62 and 7,229,750.47

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Solution

The fourth proportional to 13,108,966.47, 18,091,450.62 and 7,229,750.47 is: 9,977,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108,966.47 : 18,091,450.62 = 7,229,750.47 : x
  2. Step 2: Convert to fraction form
    13,108,966.47/18,091,450.62 = 7,229,750.47/x
  3. Step 3: Cross multiply
    13,108,966.47x = 18,091,450.62 × 7,229,750.47
  4. Step 4: Simplify right side
    13,108,966.47x = 130,796,673,577,698.17
  5. Step 5: Solve for x
    x = 130,796,673,577,698.17/13,108,966.47
  6. Step 6: Final answer
    x = 9,977,649.56

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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.