Home / 7,445,445.64-11,166,837.82-1,980,570.12

Finding the Fourth Proportional to 7,445,445.64, 11,166,837.82 and 1,980,570.12

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Solution

The fourth proportional to 7,445,445.64, 11,166,837.82 and 1,980,570.12 is: 2,970,501.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445,445.64 : 11,166,837.82 = 1,980,570.12 : x
  2. Step 2: Convert to fraction form
    7,445,445.64/11,166,837.82 = 1,980,570.12/x
  3. Step 3: Cross multiply
    7,445,445.64x = 11,166,837.82 × 1,980,570.12
  4. Step 4: Simplify right side
    7,445,445.64x = 22,116,705,321,177.94
  5. Step 5: Solve for x
    x = 22,116,705,321,177.94/7,445,445.64
  6. Step 6: Final answer
    x = 2,970,501.22

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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.