Home / 10,677,765.46-14,735,311.68-5,782,987.78

Finding the Fourth Proportional to 10,677,765.46, 14,735,311.68 and 5,782,987.78

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Solution

The fourth proportional to 10,677,765.46, 14,735,311.68 and 5,782,987.78 is: 7,980,520.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,677,765.46 : 14,735,311.68 = 5,782,987.78 : x
  2. Step 2: Convert to fraction form
    10,677,765.46/14,735,311.68 = 5,782,987.78/x
  3. Step 3: Cross multiply
    10,677,765.46x = 14,735,311.68 × 5,782,987.78
  4. Step 4: Simplify right side
    10,677,765.46x = 85,214,127,379,931.27
  5. Step 5: Solve for x
    x = 85,214,127,379,931.27/10,677,765.46
  6. Step 6: Final answer
    x = 7,980,520.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.