Home / 11,377,635.50-15,705,406.61-7,457,644.15

Finding the Fourth Proportional to 11,377,635.50, 15,705,406.61 and 7,457,644.15

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Solution

The fourth proportional to 11,377,635.50, 15,705,406.61 and 7,457,644.15 is: 10,294,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377,635.50 : 15,705,406.61 = 7,457,644.15 : x
  2. Step 2: Convert to fraction form
    11,377,635.50/15,705,406.61 = 7,457,644.15/x
  3. Step 3: Cross multiply
    11,377,635.50x = 15,705,406.61 × 7,457,644.15
  4. Step 4: Simplify right side
    11,377,635.50x = 117,125,333,679,852.27
  5. Step 5: Solve for x
    x = 117,125,333,679,852.27/11,377,635.50
  6. Step 6: Final answer
    x = 10,294,347.51

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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.