Home / 13,409,253-18,501,542.10-7,902,847.08

Finding the Fourth Proportional to 13,409,253, 18,501,542.10 and 7,902,847.08

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Solution

The fourth proportional to 13,409,253, 18,501,542.10 and 7,902,847.08 is: 10,904,027.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409,253 : 18,501,542.10 = 7,902,847.08 : x
  2. Step 2: Convert to fraction form
    13,409,253/18,501,542.10 = 7,902,847.08/x
  3. Step 3: Cross multiply
    13,409,253x = 18,501,542.10 × 7,902,847.08
  4. Step 4: Simplify right side
    13,409,253x = 146,214,857,960,482.09
  5. Step 5: Solve for x
    x = 146,214,857,960,482.09/13,409,253
  6. Step 6: Final answer
    x = 10,904,027.09

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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.