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Finding the Fourth Proportional to 15,202,978.01, 22,808,354.18 and 4,420,278.81

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Solution

The fourth proportional to 15,202,978.01, 22,808,354.18 and 4,420,278.81 is: 6,631,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,978.01 : 22,808,354.18 = 4,420,278.81 : x
  2. Step 2: Convert to fraction form
    15,202,978.01/22,808,354.18 = 4,420,278.81/x
  3. Step 3: Cross multiply
    15,202,978.01x = 22,808,354.18 × 4,420,278.81
  4. Step 4: Simplify right side
    15,202,978.01x = 100,819,284,663,157.34
  5. Step 5: Solve for x
    x = 100,819,284,663,157.34/15,202,978.01
  6. Step 6: Final answer
    x = 6,631,548.41

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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.