Home / 13,439,052.90-20,158,579.35-13,215,104.10

Finding the Fourth Proportional to 13,439,052.90, 20,158,579.35 and 13,215,104.10

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Solution

The fourth proportional to 13,439,052.90, 20,158,579.35 and 13,215,104.10 is: 19,822,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439,052.90 : 20,158,579.35 = 13,215,104.10 : x
  2. Step 2: Convert to fraction form
    13,439,052.90/20,158,579.35 = 13,215,104.10/x
  3. Step 3: Cross multiply
    13,439,052.90x = 20,158,579.35 × 13,215,104.10
  4. Step 4: Simplify right side
    13,439,052.90x = 266,397,724,618,360.34
  5. Step 5: Solve for x
    x = 266,397,724,618,360.34/13,439,052.90
  6. Step 6: Final answer
    x = 19,822,656.15

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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.