Home / 8,378,031.40-12,558,752.70-4,114,709.80

Finding the Fourth Proportional to 8,378,031.40, 12,558,752.70 and 4,114,709.80

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Solution

The fourth proportional to 8,378,031.40, 12,558,752.70 and 4,114,709.80 is: 6,167,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,031.40 : 12,558,752.70 = 4,114,709.80 : x
  2. Step 2: Convert to fraction form
    8,378,031.40/12,558,752.70 = 4,114,709.80/x
  3. Step 3: Cross multiply
    8,378,031.40x = 12,558,752.70 × 4,114,709.80
  4. Step 4: Simplify right side
    8,378,031.40x = 51,675,622,810,466.45
  5. Step 5: Solve for x
    x = 51,675,622,810,466.45/8,378,031.40
  6. Step 6: Final answer
    x = 6,167,991.06

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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.