Home / 39,935,741.96-59,903,788.44-12,642,168.80

Finding the Fourth Proportional to 39,935,741.96, 59,903,788.44 and 12,642,168.80

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Solution

The fourth proportional to 39,935,741.96, 59,903,788.44 and 12,642,168.80 is: 18,963,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935,741.96 : 59,903,788.44 = 12,642,168.80 : x
  2. Step 2: Convert to fraction form
    39,935,741.96/59,903,788.44 = 12,642,168.80/x
  3. Step 3: Cross multiply
    39,935,741.96x = 59,903,788.44 × 12,642,168.80
  4. Step 4: Simplify right side
    39,935,741.96x = 757,313,805,217,968.62
  5. Step 5: Solve for x
    x = 757,313,805,217,968.62/39,935,741.96
  6. Step 6: Final answer
    x = 18,963,308.76

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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.