Home / 12,805,571.64-17,670,730.86-7,004,053.56

Finding the Fourth Proportional to 12,805,571.64, 17,670,730.86 and 7,004,053.56

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Solution

The fourth proportional to 12,805,571.64, 17,670,730.86 and 7,004,053.56 is: 9,665,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,571.64 : 17,670,730.86 = 7,004,053.56 : x
  2. Step 2: Convert to fraction form
    12,805,571.64/17,670,730.86 = 7,004,053.56/x
  3. Step 3: Cross multiply
    12,805,571.64x = 17,670,730.86 × 7,004,053.56
  4. Step 4: Simplify right side
    12,805,571.64x = 123,766,745,387,784.84
  5. Step 5: Solve for x
    x = 123,766,745,387,784.84/12,805,571.64
  6. Step 6: Final answer
    x = 9,665,069.93

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1.5x scale

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.