Home / 6,128,053.30-8,456,323.84-3,680,767.50

Finding the Fourth Proportional to 6,128,053.30, 8,456,323.84 and 3,680,767.50

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Solution

The fourth proportional to 6,128,053.30, 8,456,323.84 and 3,680,767.50 is: 5,079,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,053.30 : 8,456,323.84 = 3,680,767.50 : x
  2. Step 2: Convert to fraction form
    6,128,053.30/8,456,323.84 = 3,680,767.50/x
  3. Step 3: Cross multiply
    6,128,053.30x = 8,456,323.84 × 3,680,767.50
  4. Step 4: Simplify right side
    6,128,053.30x = 31,125,761,959,747.20
  5. Step 5: Solve for x
    x = 31,125,761,959,747.20/6,128,053.30
  6. Step 6: Final answer
    x = 5,079,225.07

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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.