Home / 7,025,141.80-10,521,966.30-5,765,429.80

Finding the Fourth Proportional to 7,025,141.80, 10,521,966.30 and 5,765,429.80

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Solution

The fourth proportional to 7,025,141.80, 10,521,966.30 and 5,765,429.80 is: 8,635,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025,141.80 : 10,521,966.30 = 5,765,429.80 : x
  2. Step 2: Convert to fraction form
    7,025,141.80/10,521,966.30 = 5,765,429.80/x
  3. Step 3: Cross multiply
    7,025,141.80x = 10,521,966.30 × 5,765,429.80
  4. Step 4: Simplify right side
    7,025,141.80x = 60,663,658,060,615.74
  5. Step 5: Solve for x
    x = 60,663,658,060,615.74/7,025,141.80
  6. Step 6: Final answer
    x = 8,635,221.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.