Home / 15,181,647.70-20,950,724.37-8,306,108.50

Finding the Fourth Proportional to 15,181,647.70, 20,950,724.37 and 8,306,108.50

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Solution

The fourth proportional to 15,181,647.70, 20,950,724.37 and 8,306,108.50 is: 11,462,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181,647.70 : 20,950,724.37 = 8,306,108.50 : x
  2. Step 2: Convert to fraction form
    15,181,647.70/20,950,724.37 = 8,306,108.50/x
  3. Step 3: Cross multiply
    15,181,647.70x = 20,950,724.37 × 8,306,108.50
  4. Step 4: Simplify right side
    15,181,647.70x = 174,018,989,770,814.16
  5. Step 5: Solve for x
    x = 174,018,989,770,814.16/15,181,647.70
  6. Step 6: Final answer
    x = 11,462,457.38

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1.5x scale

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.