Home / 42,203,015.40-63,303,342.06-13,450,876.32

Finding the Fourth Proportional to 42,203,015.40, 63,303,342.06 and 13,450,876.32

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Solution

The fourth proportional to 42,203,015.40, 63,303,342.06 and 13,450,876.32 is: 20,175,938.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,203,015.40 : 63,303,342.06 = 13,450,876.32 : x
  2. Step 2: Convert to fraction form
    42,203,015.40/63,303,342.06 = 13,450,876.32/x
  3. Step 3: Cross multiply
    42,203,015.40x = 63,303,342.06 × 13,450,876.32
  4. Step 4: Simplify right side
    42,203,015.40x = 851,485,424,691,714.12
  5. Step 5: Solve for x
    x = 851,485,424,691,714.12/42,203,015.40
  6. Step 6: Final answer
    x = 20,175,938.06

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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.