Home / 13,601,305-18,769,800.90-7,489,718.92

Finding the Fourth Proportional to 13,601,305, 18,769,800.90 and 7,489,718.92

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Solution

The fourth proportional to 13,601,305, 18,769,800.90 and 7,489,718.92 is: 10,335,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601,305 : 18,769,800.90 = 7,489,718.92 : x
  2. Step 2: Convert to fraction form
    13,601,305/18,769,800.90 = 7,489,718.92/x
  3. Step 3: Cross multiply
    13,601,305x = 18,769,800.90 × 7,489,718.92
  4. Step 4: Simplify right side
    13,601,305x = 140,580,532,925,363.02
  5. Step 5: Solve for x
    x = 140,580,532,925,363.02/13,601,305
  6. Step 6: Final answer
    x = 10,335,812.11

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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.