Home / 10,201,100.33-15,307,629.21-7,319,361.50

Finding the Fourth Proportional to 10,201,100.33, 15,307,629.21 and 7,319,361.50

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Solution

The fourth proportional to 10,201,100.33, 15,307,629.21 and 7,319,361.50 is: 10,983,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201,100.33 : 15,307,629.21 = 7,319,361.50 : x
  2. Step 2: Convert to fraction form
    10,201,100.33/15,307,629.21 = 7,319,361.50/x
  3. Step 3: Cross multiply
    10,201,100.33x = 15,307,629.21 × 7,319,361.50
  4. Step 4: Simplify right side
    10,201,100.33x = 112,042,071,962,920.30
  5. Step 5: Solve for x
    x = 112,042,071,962,920.30/10,201,100.33
  6. Step 6: Final answer
    x = 10,983,332.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.