Home / 15,181,649.70-20,950,727.13-8,306,110.50

Finding the Fourth Proportional to 15,181,649.70, 20,950,727.13 and 8,306,110.50

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Solution

The fourth proportional to 15,181,649.70, 20,950,727.13 and 8,306,110.50 is: 11,462,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181,649.70 : 20,950,727.13 = 8,306,110.50 : x
  2. Step 2: Convert to fraction form
    15,181,649.70/20,950,727.13 = 8,306,110.50/x
  3. Step 3: Cross multiply
    15,181,649.70x = 20,950,727.13 × 8,306,110.50
  4. Step 4: Simplify right side
    15,181,649.70x = 174,019,054,597,127.84
  5. Step 5: Solve for x
    x = 174,019,054,597,127.84/15,181,649.70
  6. Step 6: Final answer
    x = 11,462,460.14

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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.