Home / 18,756,224.30-28,130,399.78-5,289,903.02

Finding the Fourth Proportional to 18,756,224.30, 28,130,399.78 and 5,289,903.02

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Solution

The fourth proportional to 18,756,224.30, 28,130,399.78 and 5,289,903.02 is: 7,933,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,224.30 : 28,130,399.78 = 5,289,903.02 : x
  2. Step 2: Convert to fraction form
    18,756,224.30/28,130,399.78 = 5,289,903.02/x
  3. Step 3: Cross multiply
    18,756,224.30x = 28,130,399.78 × 5,289,903.02
  4. Step 4: Simplify right side
    18,756,224.30x = 148,807,086,750,029.34
  5. Step 5: Solve for x
    x = 148,807,086,750,029.34/18,756,224.30
  6. Step 6: Final answer
    x = 7,933,744.25

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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.