Home / 22,009,770.56-30,374,431.99-12,220,216.07

Finding the Fourth Proportional to 22,009,770.56, 30,374,431.99 and 12,220,216.07

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Solution

The fourth proportional to 22,009,770.56, 30,374,431.99 and 12,220,216.07 is: 16,864,424.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009,770.56 : 30,374,431.99 = 12,220,216.07 : x
  2. Step 2: Convert to fraction form
    22,009,770.56/30,374,431.99 = 12,220,216.07/x
  3. Step 3: Cross multiply
    22,009,770.56x = 30,374,431.99 × 12,220,216.07
  4. Step 4: Simplify right side
    22,009,770.56x = 371,182,121,738,897.38
  5. Step 5: Solve for x
    x = 371,182,121,738,897.38/22,009,770.56
  6. Step 6: Final answer
    x = 16,864,424.86

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Double scale
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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.