Home / 13,909,662.84-20,849,768.37-4,678,847.76

Finding the Fourth Proportional to 13,909,662.84, 20,849,768.37 and 4,678,847.76

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Solution

The fourth proportional to 13,909,662.84, 20,849,768.37 and 4,678,847.76 is: 7,013,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909,662.84 : 20,849,768.37 = 4,678,847.76 : x
  2. Step 2: Convert to fraction form
    13,909,662.84/20,849,768.37 = 4,678,847.76/x
  3. Step 3: Cross multiply
    13,909,662.84x = 20,849,768.37 × 4,678,847.76
  4. Step 4: Simplify right side
    13,909,662.84x = 97,552,892,034,493.34
  5. Step 5: Solve for x
    x = 97,552,892,034,493.34/13,909,662.84
  6. Step 6: Final answer
    x = 7,013,318.23

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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.