Home / 21,505,457.80-32,258,186.70-8,732,081.80

Finding the Fourth Proportional to 21,505,457.80, 32,258,186.70 and 8,732,081.80

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Solution

The fourth proportional to 21,505,457.80, 32,258,186.70 and 8,732,081.80 is: 13,098,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,457.80 : 32,258,186.70 = 8,732,081.80 : x
  2. Step 2: Convert to fraction form
    21,505,457.80/32,258,186.70 = 8,732,081.80/x
  3. Step 3: Cross multiply
    21,505,457.80x = 32,258,186.70 × 8,732,081.80
  4. Step 4: Simplify right side
    21,505,457.80x = 281,681,124,984,072.06
  5. Step 5: Solve for x
    x = 281,681,124,984,072.06/21,505,457.80
  6. Step 6: Final answer
    x = 13,098,122.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.