Home / 40,572,638.78-55,991,595.57-22,237,971.26

Finding the Fourth Proportional to 40,572,638.78, 55,991,595.57 and 22,237,971.26

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Solution

The fourth proportional to 40,572,638.78, 55,991,595.57 and 22,237,971.26 is: 30,689,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,572,638.78 : 55,991,595.57 = 22,237,971.26 : x
  2. Step 2: Convert to fraction form
    40,572,638.78/55,991,595.57 = 22,237,971.26/x
  3. Step 3: Cross multiply
    40,572,638.78x = 55,991,595.57 × 22,237,971.26
  4. Step 4: Simplify right side
    40,572,638.78x = 1,245,139,493,087,203.50
  5. Step 5: Solve for x
    x = 1,245,139,493,087,203.50/40,572,638.78
  6. Step 6: Final answer
    x = 30,689,142.50

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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.