Home / 13,907,028.73-19,191,336.05-7,712,059.74

Finding the Fourth Proportional to 13,907,028.73, 19,191,336.05 and 7,712,059.74

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Solution

The fourth proportional to 13,907,028.73, 19,191,336.05 and 7,712,059.74 is: 10,642,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907,028.73 : 19,191,336.05 = 7,712,059.74 : x
  2. Step 2: Convert to fraction form
    13,907,028.73/19,191,336.05 = 7,712,059.74/x
  3. Step 3: Cross multiply
    13,907,028.73x = 19,191,336.05 × 7,712,059.74
  4. Step 4: Simplify right side
    13,907,028.73x = 148,004,730,108,015.62
  5. Step 5: Solve for x
    x = 148,004,730,108,015.62/13,907,028.73
  6. Step 6: Final answer
    x = 10,642,440.81

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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.