Home / 15,180,626.49-20,948,905.31-8,305,165.05

Finding the Fourth Proportional to 15,180,626.49, 20,948,905.31 and 8,305,165.05

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Solution

The fourth proportional to 15,180,626.49, 20,948,905.31 and 8,305,165.05 is: 11,460,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180,626.49 : 20,948,905.31 = 8,305,165.05 : x
  2. Step 2: Convert to fraction form
    15,180,626.49/20,948,905.31 = 8,305,165.05/x
  3. Step 3: Cross multiply
    15,180,626.49x = 20,948,905.31 × 8,305,165.05
  4. Step 4: Simplify right side
    15,180,626.49x = 173,984,116,174,845.59
  5. Step 5: Solve for x
    x = 173,984,116,174,845.59/15,180,626.49
  6. Step 6: Final answer
    x = 11,460,931.23

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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.