Home / 11,039,855.30-16,528,290.15-9,780,143.30

Finding the Fourth Proportional to 11,039,855.30, 16,528,290.15 and 9,780,143.30

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Solution

The fourth proportional to 11,039,855.30, 16,528,290.15 and 9,780,143.30 is: 14,642,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039,855.30 : 16,528,290.15 = 9,780,143.30 : x
  2. Step 2: Convert to fraction form
    11,039,855.30/16,528,290.15 = 9,780,143.30/x
  3. Step 3: Cross multiply
    11,039,855.30x = 16,528,290.15 × 9,780,143.30
  4. Step 4: Simplify right side
    11,039,855.30x = 161,649,046,170,978.50
  5. Step 5: Solve for x
    x = 161,649,046,170,978.50/11,039,855.30
  6. Step 6: Final answer
    x = 14,642,315.66

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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.