Home / 13,608,056.56-20,412,113.68-12,776,646.64

Finding the Fourth Proportional to 13,608,056.56, 20,412,113.68 and 12,776,646.64

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Solution

The fourth proportional to 13,608,056.56, 20,412,113.68 and 12,776,646.64 is: 19,164,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,056.56 : 20,412,113.68 = 12,776,646.64 : x
  2. Step 2: Convert to fraction form
    13,608,056.56/20,412,113.68 = 12,776,646.64/x
  3. Step 3: Cross multiply
    13,608,056.56x = 20,412,113.68 × 12,776,646.64
  4. Step 4: Simplify right side
    13,608,056.56x = 260,798,363,664,870.03
  5. Step 5: Solve for x
    x = 260,798,363,664,870.03/13,608,056.56
  6. Step 6: Final answer
    x = 19,164,997.04

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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.