Home / 5,113,998.12-7,671,011.70-1,327,513.80

Finding the Fourth Proportional to 5,113,998.12, 7,671,011.70 and 1,327,513.80

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Solution

The fourth proportional to 5,113,998.12, 7,671,011.70 and 1,327,513.80 is: 1,991,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113,998.12 : 7,671,011.70 = 1,327,513.80 : x
  2. Step 2: Convert to fraction form
    5,113,998.12/7,671,011.70 = 1,327,513.80/x
  3. Step 3: Cross multiply
    5,113,998.12x = 7,671,011.70 × 1,327,513.80
  4. Step 4: Simplify right side
    5,113,998.12x = 10,183,373,891,711.46
  5. Step 5: Solve for x
    x = 10,183,373,891,711.46/5,113,998.12
  6. Step 6: Final answer
    x = 1,991,274.47

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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.