Home / 13,460,435.20-20,190,652.80-6,269,579.20

Finding the Fourth Proportional to 13,460,435.20, 20,190,652.80 and 6,269,579.20

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Solution

The fourth proportional to 13,460,435.20, 20,190,652.80 and 6,269,579.20 is: 9,404,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460,435.20 : 20,190,652.80 = 6,269,579.20 : x
  2. Step 2: Convert to fraction form
    13,460,435.20/20,190,652.80 = 6,269,579.20/x
  3. Step 3: Cross multiply
    13,460,435.20x = 20,190,652.80 × 6,269,579.20
  4. Step 4: Simplify right side
    13,460,435.20x = 126,586,896,829,301.77
  5. Step 5: Solve for x
    x = 126,586,896,829,301.77/13,460,435.20
  6. Step 6: Final answer
    x = 9,404,368.80

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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.