Home / 9,969,205.05-14,952,478.85-2,780,136.93

Finding the Fourth Proportional to 9,969,205.05, 14,952,478.85 and 2,780,136.93

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Solution

The fourth proportional to 9,969,205.05, 14,952,478.85 and 2,780,136.93 is: 4,169,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969,205.05 : 14,952,478.85 = 2,780,136.93 : x
  2. Step 2: Convert to fraction form
    9,969,205.05/14,952,478.85 = 2,780,136.93/x
  3. Step 3: Cross multiply
    9,969,205.05x = 14,952,478.85 × 2,780,136.93
  4. Step 4: Simplify right side
    9,969,205.05x = 41,569,938,632,028.25
  5. Step 5: Solve for x
    x = 41,569,938,632,028.25/9,969,205.05
  6. Step 6: Final answer
    x = 4,169,834.85

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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.