Home / 18,346,487.51-25,318,169.01-10,086,690.31

Finding the Fourth Proportional to 18,346,487.51, 25,318,169.01 and 10,086,690.31

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Solution

The fourth proportional to 18,346,487.51, 25,318,169.01 and 10,086,690.31 is: 13,919,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346,487.51 : 25,318,169.01 = 10,086,690.31 : x
  2. Step 2: Convert to fraction form
    18,346,487.51/25,318,169.01 = 10,086,690.31/x
  3. Step 3: Cross multiply
    18,346,487.51x = 25,318,169.01 × 10,086,690.31
  4. Step 4: Simplify right side
    18,346,487.51x = 255,376,529,956,813.88
  5. Step 5: Solve for x
    x = 255,376,529,956,813.88/18,346,487.51
  6. Step 6: Final answer
    x = 13,919,641.55

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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.