Home / 7,653,220.80-10,561,443.57-4,215,461.73

Finding the Fourth Proportional to 7,653,220.80, 10,561,443.57 and 4,215,461.73

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Solution

The fourth proportional to 7,653,220.80, 10,561,443.57 and 4,215,461.73 is: 5,817,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653,220.80 : 10,561,443.57 = 4,215,461.73 : x
  2. Step 2: Convert to fraction form
    7,653,220.80/10,561,443.57 = 4,215,461.73/x
  3. Step 3: Cross multiply
    7,653,220.80x = 10,561,443.57 × 4,215,461.73
  4. Step 4: Simplify right side
    7,653,220.80x = 44,521,361,182,889.59
  5. Step 5: Solve for x
    x = 44,521,361,182,889.59/7,653,220.80
  6. Step 6: Final answer
    x = 5,817,336.56

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Double scale
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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.