Home / 7,881,361.70-11,822,042.55-3,087,457.70

Finding the Fourth Proportional to 7,881,361.70, 11,822,042.55 and 3,087,457.70

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Solution

The fourth proportional to 7,881,361.70, 11,822,042.55 and 3,087,457.70 is: 4,631,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,361.70 : 11,822,042.55 = 3,087,457.70 : x
  2. Step 2: Convert to fraction form
    7,881,361.70/11,822,042.55 = 3,087,457.70/x
  3. Step 3: Cross multiply
    7,881,361.70x = 11,822,042.55 × 3,087,457.70
  4. Step 4: Simplify right side
    7,881,361.70x = 36,500,056,300,725.14
  5. Step 5: Solve for x
    x = 36,500,056,300,725.14/7,881,361.70
  6. Step 6: Final answer
    x = 4,631,186.55

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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.