Home / 10,790,638.10-16,185,957.15-7,389,415.70

Finding the Fourth Proportional to 10,790,638.10, 16,185,957.15 and 7,389,415.70

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Solution

The fourth proportional to 10,790,638.10, 16,185,957.15 and 7,389,415.70 is: 11,084,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790,638.10 : 16,185,957.15 = 7,389,415.70 : x
  2. Step 2: Convert to fraction form
    10,790,638.10/16,185,957.15 = 7,389,415.70/x
  3. Step 3: Cross multiply
    10,790,638.10x = 16,185,957.15 × 7,389,415.70
  4. Step 4: Simplify right side
    10,790,638.10x = 119,604,765,883,737.27
  5. Step 5: Solve for x
    x = 119,604,765,883,737.27/10,790,638.10
  6. Step 6: Final answer
    x = 11,084,123.55

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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.