Home / 40,139,679.70-60,204,383.51-12,843,688.96

Finding the Fourth Proportional to 40,139,679.70, 60,204,383.51 and 12,843,688.96

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Solution

The fourth proportional to 40,139,679.70, 60,204,383.51 and 12,843,688.96 is: 19,263,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,139,679.70 : 60,204,383.51 = 12,843,688.96 : x
  2. Step 2: Convert to fraction form
    40,139,679.70/60,204,383.51 = 12,843,688.96/x
  3. Step 3: Cross multiply
    40,139,679.70x = 60,204,383.51 × 12,843,688.96
  4. Step 4: Simplify right side
    40,139,679.70x = 773,246,375,688,496.50
  5. Step 5: Solve for x
    x = 773,246,375,688,496.50/40,139,679.70
  6. Step 6: Final answer
    x = 19,263,890.03

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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.