Home / 7,725,512.85-10,661,705.96-4,287,753.91

Finding the Fourth Proportional to 7,725,512.85, 10,661,705.96 and 4,287,753.91

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Solution

The fourth proportional to 7,725,512.85, 10,661,705.96 and 4,287,753.91 is: 5,917,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725,512.85 : 10,661,705.96 = 4,287,753.91 : x
  2. Step 2: Convert to fraction form
    7,725,512.85/10,661,705.96 = 4,287,753.91/x
  3. Step 3: Cross multiply
    7,725,512.85x = 10,661,705.96 × 4,287,753.91
  4. Step 4: Simplify right side
    7,725,512.85x = 45,714,771,417,260.31
  5. Step 5: Solve for x
    x = 45,714,771,417,260.31/7,725,512.85
  6. Step 6: Final answer
    x = 5,917,376.92

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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.