Home / 20,694,563.15-31,055,130.80-13,878,832.32

Finding the Fourth Proportional to 20,694,563.15, 31,055,130.80 and 13,878,832.32

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Solution

The fourth proportional to 20,694,563.15, 31,055,130.80 and 13,878,832.32 is: 20,827,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694,563.15 : 31,055,130.80 = 13,878,832.32 : x
  2. Step 2: Convert to fraction form
    20,694,563.15/31,055,130.80 = 13,878,832.32/x
  3. Step 3: Cross multiply
    20,694,563.15x = 31,055,130.80 × 13,878,832.32
  4. Step 4: Simplify right side
    20,694,563.15x = 431,008,953,031,518.88
  5. Step 5: Solve for x
    x = 431,008,953,031,518.88/20,694,563.15
  6. Step 6: Final answer
    x = 20,827,158.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.