Home / 40,572,639.28-55,991,596.26-22,237,971.76

Finding the Fourth Proportional to 40,572,639.28, 55,991,596.26 and 22,237,971.76

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Solution

The fourth proportional to 40,572,639.28, 55,991,596.26 and 22,237,971.76 is: 30,689,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,572,639.28 : 55,991,596.26 = 22,237,971.76 : x
  2. Step 2: Convert to fraction form
    40,572,639.28/55,991,596.26 = 22,237,971.76/x
  3. Step 3: Cross multiply
    40,572,639.28x = 55,991,596.26 × 22,237,971.76
  4. Step 4: Simplify right side
    40,572,639.28x = 1,245,139,536,427,201.75
  5. Step 5: Solve for x
    x = 1,245,139,536,427,201.75/40,572,639.28
  6. Step 6: Final answer
    x = 30,689,143.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.