Home / 40,504,412.56-55,895,885.64-21,919,539.28

Finding the Fourth Proportional to 40,504,412.56, 55,895,885.64 and 21,919,539.28

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Solution

The fourth proportional to 40,504,412.56, 55,895,885.64 and 21,919,539.28 is: 30,248,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,504,412.56 : 55,895,885.64 = 21,919,539.28 : x
  2. Step 2: Convert to fraction form
    40,504,412.56/55,895,885.64 = 21,919,539.28/x
  3. Step 3: Cross multiply
    40,504,412.56x = 55,895,885.64 × 21,919,539.28
  4. Step 4: Simplify right side
    40,504,412.56x = 1,225,212,060,876,368
  5. Step 5: Solve for x
    x = 1,225,212,060,876,368/40,504,412.56
  6. Step 6: Final answer
    x = 30,248,853.98

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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.