Home / 12,527,820.54-17,289,605.79-7,022,130.66

Finding the Fourth Proportional to 12,527,820.54, 17,289,605.79 and 7,022,130.66

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Solution

The fourth proportional to 12,527,820.54, 17,289,605.79 and 7,022,130.66 is: 9,691,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527,820.54 : 17,289,605.79 = 7,022,130.66 : x
  2. Step 2: Convert to fraction form
    12,527,820.54/17,289,605.79 = 7,022,130.66/x
  3. Step 3: Cross multiply
    12,527,820.54x = 17,289,605.79 × 7,022,130.66
  4. Step 4: Simplify right side
    12,527,820.54x = 121,409,870,917,272.52
  5. Step 5: Solve for x
    x = 121,409,870,917,272.52/12,527,820.54
  6. Step 6: Final answer
    x = 9,691,220.47

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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.