Home / 10,863,504.70-16,295,257.05-9,666,778.30

Finding the Fourth Proportional to 10,863,504.70, 16,295,257.05 and 9,666,778.30

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Solution

The fourth proportional to 10,863,504.70, 16,295,257.05 and 9,666,778.30 is: 14,500,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,504.70 : 16,295,257.05 = 9,666,778.30 : x
  2. Step 2: Convert to fraction form
    10,863,504.70/16,295,257.05 = 9,666,778.30/x
  3. Step 3: Cross multiply
    10,863,504.70x = 16,295,257.05 × 9,666,778.30
  4. Step 4: Simplify right side
    10,863,504.70x = 157,522,637,243,862.03
  5. Step 5: Solve for x
    x = 157,522,637,243,862.03/10,863,504.70
  6. Step 6: Final answer
    x = 14,500,167.45

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Similar ratio
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1.5x scale

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.