Home / 32,916,994.50-45,425,921.37-18,978,073.86

Finding the Fourth Proportional to 32,916,994.50, 45,425,921.37 and 18,978,073.86

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Solution

The fourth proportional to 32,916,994.50, 45,425,921.37 and 18,978,073.86 is: 26,190,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,916,994.50 : 45,425,921.37 = 18,978,073.86 : x
  2. Step 2: Convert to fraction form
    32,916,994.50/45,425,921.37 = 18,978,073.86/x
  3. Step 3: Cross multiply
    32,916,994.50x = 45,425,921.37 × 18,978,073.86
  4. Step 4: Simplify right side
    32,916,994.50x = 862,096,490,918,412.25
  5. Step 5: Solve for x
    x = 862,096,490,918,412.25/32,916,994.50
  6. Step 6: Final answer
    x = 26,190,012.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.