Home / 10,789,991.60-16,184,987.40-2,811,815.60

Finding the Fourth Proportional to 10,789,991.60, 16,184,987.40 and 2,811,815.60

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Solution

The fourth proportional to 10,789,991.60, 16,184,987.40 and 2,811,815.60 is: 4,217,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789,991.60 : 16,184,987.40 = 2,811,815.60 : x
  2. Step 2: Convert to fraction form
    10,789,991.60/16,184,987.40 = 2,811,815.60/x
  3. Step 3: Cross multiply
    10,789,991.60x = 16,184,987.40 × 2,811,815.60
  4. Step 4: Simplify right side
    10,789,991.60x = 45,509,200,057,123.45
  5. Step 5: Solve for x
    x = 45,509,200,057,123.45/10,789,991.60
  6. Step 6: Final answer
    x = 4,217,723.40

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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.