Home / 14,241,355.40-21,378,621.90-8,567,985.80

Finding the Fourth Proportional to 14,241,355.40, 21,378,621.90 and 8,567,985.80

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Solution

The fourth proportional to 14,241,355.40, 21,378,621.90 and 8,567,985.80 is: 12,861,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,241,355.40 : 21,378,621.90 = 8,567,985.80 : x
  2. Step 2: Convert to fraction form
    14,241,355.40/21,378,621.90 = 8,567,985.80/x
  3. Step 3: Cross multiply
    14,241,355.40x = 21,378,621.90 × 8,567,985.80
  4. Step 4: Simplify right side
    14,241,355.40x = 183,171,728,862,769.03
  5. Step 5: Solve for x
    x = 183,171,728,862,769.03/14,241,355.40
  6. Step 6: Final answer
    x = 12,861,958.97

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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.