Home / 43,072,644.87-64,621,476.95-13,925,861.91

Finding the Fourth Proportional to 43,072,644.87, 64,621,476.95 and 13,925,861.91

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Solution

The fourth proportional to 43,072,644.87, 64,621,476.95 and 13,925,861.91 is: 20,892,837.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,072,644.87 : 64,621,476.95 = 13,925,861.91 : x
  2. Step 2: Convert to fraction form
    43,072,644.87/64,621,476.95 = 13,925,861.91/x
  3. Step 3: Cross multiply
    43,072,644.87x = 64,621,476.95 × 13,925,861.91
  4. Step 4: Simplify right side
    43,072,644.87x = 899,909,764,356,318.62
  5. Step 5: Solve for x
    x = 899,909,764,356,318.62/43,072,644.87
  6. Step 6: Final answer
    x = 20,892,837.37

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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.