Home / 10,369,942.80-15,554,914.20-6,543,567.60

Finding the Fourth Proportional to 10,369,942.80, 15,554,914.20 and 6,543,567.60

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Solution

The fourth proportional to 10,369,942.80, 15,554,914.20 and 6,543,567.60 is: 9,815,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,942.80 : 15,554,914.20 = 6,543,567.60 : x
  2. Step 2: Convert to fraction form
    10,369,942.80/15,554,914.20 = 6,543,567.60/x
  3. Step 3: Cross multiply
    10,369,942.80x = 15,554,914.20 × 6,543,567.60
  4. Step 4: Simplify right side
    10,369,942.80x = 101,784,632,579,899.91
  5. Step 5: Solve for x
    x = 101,784,632,579,899.91/10,369,942.80
  6. Step 6: Final answer
    x = 9,815,351.40

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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.