Home / 18,679,074.41-25,778,277.87-10,306,403.26

Finding the Fourth Proportional to 18,679,074.41, 25,778,277.87 and 10,306,403.26

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Solution

The fourth proportional to 18,679,074.41, 25,778,277.87 and 10,306,403.26 is: 14,223,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679,074.41 : 25,778,277.87 = 10,306,403.26 : x
  2. Step 2: Convert to fraction form
    18,679,074.41/25,778,277.87 = 10,306,403.26/x
  3. Step 3: Cross multiply
    18,679,074.41x = 25,778,277.87 × 10,306,403.26
  4. Step 4: Simplify right side
    18,679,074.41x = 265,681,327,076,553.88
  5. Step 5: Solve for x
    x = 265,681,327,076,553.88/18,679,074.41
  6. Step 6: Final answer
    x = 14,223,473.89

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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.