Home / 10,863,776.70-16,308,106.65-6,378,579.90

Finding the Fourth Proportional to 10,863,776.70, 16,308,106.65 and 6,378,579.90

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Solution

The fourth proportional to 10,863,776.70, 16,308,106.65 and 6,378,579.90 is: 9,575,174.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,776.70 : 16,308,106.65 = 6,378,579.90 : x
  2. Step 2: Convert to fraction form
    10,863,776.70/16,308,106.65 = 6,378,579.90/x
  3. Step 3: Cross multiply
    10,863,776.70x = 16,308,106.65 × 6,378,579.90
  4. Step 4: Simplify right side
    10,863,776.70x = 104,022,561,284,746.34
  5. Step 5: Solve for x
    x = 104,022,561,284,746.34/10,863,776.70
  6. Step 6: Final answer
    x = 9,575,174.84

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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.