Home / 20,407,012.56-30,617,976.96-9,482,248.08

Finding the Fourth Proportional to 20,407,012.56, 30,617,976.96 and 9,482,248.08

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Solution

The fourth proportional to 20,407,012.56, 30,617,976.96 and 9,482,248.08 is: 14,226,837.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,407,012.56 : 30,617,976.96 = 9,482,248.08 : x
  2. Step 2: Convert to fraction form
    20,407,012.56/30,617,976.96 = 9,482,248.08/x
  3. Step 3: Cross multiply
    20,407,012.56x = 30,617,976.96 × 9,482,248.08
  4. Step 4: Simplify right side
    20,407,012.56x = 290,327,253,242,444.25
  5. Step 5: Solve for x
    x = 290,327,253,242,444.25/20,407,012.56
  6. Step 6: Final answer
    x = 14,226,837.58

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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.