Home / 18,162,675.96-25,064,688.84-9,902,671.22

Finding the Fourth Proportional to 18,162,675.96, 25,064,688.84 and 9,902,671.22

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Solution

The fourth proportional to 18,162,675.96, 25,064,688.84 and 9,902,671.22 is: 13,665,793.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162,675.96 : 25,064,688.84 = 9,902,671.22 : x
  2. Step 2: Convert to fraction form
    18,162,675.96/25,064,688.84 = 9,902,671.22/x
  3. Step 3: Cross multiply
    18,162,675.96x = 25,064,688.84 × 9,902,671.22
  4. Step 4: Simplify right side
    18,162,675.96x = 248,207,372,814,123.19
  5. Step 5: Solve for x
    x = 248,207,372,814,123.19/18,162,675.96
  6. Step 6: Final answer
    x = 13,665,793.16

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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.