Home / 13,381,410.48-18,466,724.24-7,580,190.48

Finding the Fourth Proportional to 13,381,410.48, 18,466,724.24 and 7,580,190.48

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Solution

The fourth proportional to 13,381,410.48, 18,466,724.24 and 7,580,190.48 is: 10,460,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381,410.48 : 18,466,724.24 = 7,580,190.48 : x
  2. Step 2: Convert to fraction form
    13,381,410.48/18,466,724.24 = 7,580,190.48/x
  3. Step 3: Cross multiply
    13,381,410.48x = 18,466,724.24 × 7,580,190.48
  4. Step 4: Simplify right side
    13,381,410.48x = 139,981,287,280,833.23
  5. Step 5: Solve for x
    x = 139,981,287,280,833.23/13,381,410.48
  6. Step 6: Final answer
    x = 10,460,876.86

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1.5x scale

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.