Home / 42,146,998.80-63,222,247.80-13,392,322.80

Finding the Fourth Proportional to 42,146,998.80, 63,222,247.80 and 13,392,322.80

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Solution

The fourth proportional to 42,146,998.80, 63,222,247.80 and 13,392,322.80 is: 20,089,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,146,998.80 : 63,222,247.80 = 13,392,322.80 : x
  2. Step 2: Convert to fraction form
    42,146,998.80/63,222,247.80 = 13,392,322.80/x
  3. Step 3: Cross multiply
    42,146,998.80x = 63,222,247.80 × 13,392,322.80
  4. Step 4: Simplify right side
    42,146,998.80x = 846,692,750,679,189.88
  5. Step 5: Solve for x
    x = 846,692,750,679,189.88/42,146,998.80
  6. Step 6: Final answer
    x = 20,089,040.14

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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.