Home / 13,655,780.20-20,483,670.30-3,558,401.20

Finding the Fourth Proportional to 13,655,780.20, 20,483,670.30 and 3,558,401.20

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Solution

The fourth proportional to 13,655,780.20, 20,483,670.30 and 3,558,401.20 is: 5,337,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655,780.20 : 20,483,670.30 = 3,558,401.20 : x
  2. Step 2: Convert to fraction form
    13,655,780.20/20,483,670.30 = 3,558,401.20/x
  3. Step 3: Cross multiply
    13,655,780.20x = 20,483,670.30 × 3,558,401.20
  4. Step 4: Simplify right side
    13,655,780.20x = 72,889,116,975,924.36
  5. Step 5: Solve for x
    x = 72,889,116,975,924.36/13,655,780.20
  6. Step 6: Final answer
    x = 5,337,601.80

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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.