Home / 12,582,659.40-17,363,904.86-7,076,032.56

Finding the Fourth Proportional to 12,582,659.40, 17,363,904.86 and 7,076,032.56

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Solution

The fourth proportional to 12,582,659.40, 17,363,904.86 and 7,076,032.56 is: 9,764,832.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582,659.40 : 17,363,904.86 = 7,076,032.56 : x
  2. Step 2: Convert to fraction form
    12,582,659.40/17,363,904.86 = 7,076,032.56/x
  3. Step 3: Cross multiply
    12,582,659.40x = 17,363,904.86 × 7,076,032.56
  4. Step 4: Simplify right side
    12,582,659.40x = 122,867,556,158,102.23
  5. Step 5: Solve for x
    x = 122,867,556,158,102.23/12,582,659.40
  6. Step 6: Final answer
    x = 9,764,832.08

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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.