Home / 12,857,114.88-19,285,047.36-4,771,666.56

Finding the Fourth Proportional to 12,857,114.88, 19,285,047.36 and 4,771,666.56

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Solution

The fourth proportional to 12,857,114.88, 19,285,047.36 and 4,771,666.56 is: 7,157,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,114.88 : 19,285,047.36 = 4,771,666.56 : x
  2. Step 2: Convert to fraction form
    12,857,114.88/19,285,047.36 = 4,771,666.56/x
  3. Step 3: Cross multiply
    12,857,114.88x = 19,285,047.36 × 4,771,666.56
  4. Step 4: Simplify right side
    12,857,114.88x = 92,021,815,595,728.27
  5. Step 5: Solve for x
    x = 92,021,815,595,728.27/12,857,114.88
  6. Step 6: Final answer
    x = 7,157,267.90

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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.