Home / 10,754,661.36-16,105,426.16-8,015,638.80

Finding the Fourth Proportional to 10,754,661.36, 16,105,426.16 and 8,015,638.80

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Solution

The fourth proportional to 10,754,661.36, 16,105,426.16 and 8,015,638.80 is: 12,003,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754,661.36 : 16,105,426.16 = 8,015,638.80 : x
  2. Step 2: Convert to fraction form
    10,754,661.36/16,105,426.16 = 8,015,638.80/x
  3. Step 3: Cross multiply
    10,754,661.36x = 16,105,426.16 × 8,015,638.80
  4. Step 4: Simplify right side
    10,754,661.36x = 129,095,278,818,631
  5. Step 5: Solve for x
    x = 129,095,278,818,631/10,754,661.36
  6. Step 6: Final answer
    x = 12,003,658.18

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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.