Home / 43,702,989.40-65,501,996.10-18,130,835.80

Finding the Fourth Proportional to 43,702,989.40, 65,501,996.10 and 18,130,835.80

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Solution

The fourth proportional to 43,702,989.40, 65,501,996.10 and 18,130,835.80 is: 27,174,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,702,989.40 : 65,501,996.10 = 18,130,835.80 : x
  2. Step 2: Convert to fraction form
    43,702,989.40/65,501,996.10 = 18,130,835.80/x
  3. Step 3: Cross multiply
    43,702,989.40x = 65,501,996.10 × 18,130,835.80
  4. Step 4: Simplify right side
    43,702,989.40x = 1,187,605,935,861,340.50
  5. Step 5: Solve for x
    x = 1,187,605,935,861,340.50/43,702,989.40
  6. Step 6: Final answer
    x = 27,174,478.27

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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.