Home / 18,756,224.32-28,130,399.80-5,289,903.04

Finding the Fourth Proportional to 18,756,224.32, 28,130,399.80 and 5,289,903.04

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Solution

The fourth proportional to 18,756,224.32, 28,130,399.80 and 5,289,903.04 is: 7,933,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,224.32 : 28,130,399.80 = 5,289,903.04 : x
  2. Step 2: Convert to fraction form
    18,756,224.32/28,130,399.80 = 5,289,903.04/x
  3. Step 3: Cross multiply
    18,756,224.32x = 28,130,399.80 × 5,289,903.04
  4. Step 4: Simplify right side
    18,756,224.32x = 148,807,087,418,435.41
  5. Step 5: Solve for x
    x = 148,807,087,418,435.41/18,756,224.32
  6. Step 6: Final answer
    x = 7,933,744.28

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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.