Home / 7,243,961.40-10,865,942.10-6,425,148.60

Finding the Fourth Proportional to 7,243,961.40, 10,865,942.10 and 6,425,148.60

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Solution

The fourth proportional to 7,243,961.40, 10,865,942.10 and 6,425,148.60 is: 9,637,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,961.40 : 10,865,942.10 = 6,425,148.60 : x
  2. Step 2: Convert to fraction form
    7,243,961.40/10,865,942.10 = 6,425,148.60/x
  3. Step 3: Cross multiply
    7,243,961.40x = 10,865,942.10 × 6,425,148.60
  4. Step 4: Simplify right side
    7,243,961.40x = 69,815,292,671,496.05
  5. Step 5: Solve for x
    x = 69,815,292,671,496.05/7,243,961.40
  6. Step 6: Final answer
    x = 9,637,722.90

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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.