Home / 12,885,967.41-17,781,583.28-7,586,825.91

Finding the Fourth Proportional to 12,885,967.41, 17,781,583.28 and 7,586,825.91

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Solution

The fourth proportional to 12,885,967.41, 17,781,583.28 and 7,586,825.91 is: 10,469,200.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,967.41 : 17,781,583.28 = 7,586,825.91 : x
  2. Step 2: Convert to fraction form
    12,885,967.41/17,781,583.28 = 7,586,825.91/x
  3. Step 3: Cross multiply
    12,885,967.41x = 17,781,583.28 × 7,586,825.91
  4. Step 4: Simplify right side
    12,885,967.41x = 134,905,776,749,526.80
  5. Step 5: Solve for x
    x = 134,905,776,749,526.80/12,885,967.41
  6. Step 6: Final answer
    x = 10,469,200.52

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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.